2020-21 Optic

• G-001 Release date disagreement: cardboardconnection states hobby release 2021-09-17; cardlines states 2021-10-01. Recorded 2021-09-17 (higher-reliability source) in release.csv.
• G-002 beckett.com/news checklist page for this release returned HTTP 403 and could not be used as a cross-check for base set size, parallels, or insert/auto counts.
• G-003 Purple Pulsar and Green Pulsar are described by cardboardconnection as Fanatics/Target exclusives, but it is unclear whether they are parallels of THIS release's base set or belong to the separate 2020-21 Donruss Optic Complete Box Set (Fanatics/Target) product. Excluded from parallels.csv pending confirmation.
• G-004 Blue Velocity base parallel is listed only by cardlines (existence corroborated by secondary-market listings). Print run and distribution channel unconfirmed; recorded as unnumbered / UNKNOWN channel. [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.]
• G-005 Choice Dragon print run disagreement: cardboardconnection lists it as an SSP with no serial numbering; cardlines lists it as 1/1. Recorded as unnumbered.
• G-006 Red Pulsar print run disagreement: cardboardconnection implies only Gold Pulsar is /10 (Blue and Red unnumbered); cardlines lists Red Pulsar as /10. Recorded as unnumbered.
• G-007 Fast Break parallel print runs (Purple /95, Red /85, Blue /50, Pink /20, Gold /10, Black 1/1) are single-source (cardboardconnection only); not independently confirmed.
• G-008 Choice Red /88 and Choice Black Gold /8 print runs are single-source (cardboardconnection only).
• G-009 Pink Velocity /79 and Black Velocity /39 are attributed to hobby by cardboardconnection/cardsmithsbreaks product copy only; checklistcenter's parallel list omits them entirely, listing only Pink /25.
• G-010 Channel for Purple, Purple Shock, Gold Wave and Red Wave base parallels is not documented by any source consulted; recorded as UNKNOWN. [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.]
• G-011 White Sparkle is a Panini Rewards redemption parallel (single-source, cardboardconnection); it is not tied to a pack/box channel and its print run is undocumented. [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-17: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: still open; 4 of 38 parallels lack a sourced channel.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.] [REVIEWED 2026-08-19: count is now 162 of 196 - the channel pass resolved -158 of these with cited evidence. Gap remains open for the rest.]
• G-012 Photon SSP, Checkerboard, Hyper Pink, Purple, Purple Shock, Choice Dragon, Holo, Fast Break Holo and both Wave parallels have no documented print run; recorded as unnumbered rather than estimated.
• G-013 Rated Rookies Signatures Premium Box Set (25 cards) is single-source (cardboardconnection only) and may belong to the separate 2020-21 Donruss Optic Premium Box Set release rather than this product.
• G-014 Rookie Private Signings Association Version is listed with a card count of 1; the true count is ambiguous across sources and this may be a redemption/variant rather than a distinct autograph set.
• G-015 Insert and autograph card-level checklists were not captured (out of scope per spec); only set names and counts are recorded, so per-card verification of those counts was not possible.
• G-016 Base cards 91-144 were verified against cardsmithsbreaks (retail and hobby pages, same domain) and checklistcenter; cardboardconnection's rendering of that middle range was not directly captured.
• G-017 rookie_flag for base cards 1-150 is set to 'no' based on sources describing them as 150 veterans rather than explicit per-card RC designations; only 151-200 carry explicit RC/Rated Rookie labels.
• G-018 Insert set count differs by source: cardboardconnection lists 11 inserts (includes The Rookies, omits Air Defense); checklistcenter lists 11 (includes Air Defense, omits The Rookies). Both sets are independently confirmed (Air Defense also on tcdb), so sets.csv records the union of 12. Spelling varies (Air Defense vs Air Defence).
• G-019 Per-set parallel-tier repair pass (2026-08-27): as in 2019-20, tcdb.com's Inserts.cfm carries no further colour suffixes under "Rated Rookies Signatures Premium Box Set", so that sets.csv row got no parallel-tier note; 19 of 20 non-base sets were annotated.
• G-020 Rookie Dominators Signatures: 29 of the 30 cards recorded in sets.csv were sourced with a printed card number. The 30th card is JALEN SMITH. His row appears only on the Gold Vinyl parallel page https://www.tcdb.com/Checklist.cfm/sid/281681/2020-21-Donruss-Optic-Rookie-Dominators-Signatures-Gold-Vinyl where tcdb stores the literal string TBD in the card-number column. The base page https://www.tcdb.com/Checklist.cfm/sid/281679/2020-21-Donruss-Optic-Rookie-Dominators-Signatures and the Gold parallel https://www.tcdb.com/Checklist.cfm/sid/281680/2020-21-Donruss-Optic-Rookie-Dominators-Signatures-Gold omit him entirely; Gallery pagination confirmed both render exactly 29. TBD is unwritable per spec, so the row was withheld rather than given a derived RDS- code. The RDS- suffixes in this set are not derivable from initials (RDS-COL is Cole Anthony, RDS-JAE is Jae'Sean Tate, RDS-IMM is Immanuel Quickley, RDS-OBI is Obi Toppin), so no code could honestly be inferred for him.
• G-021 Signature Series: 98 of the 100 cards recorded in sets.csv were sourced. tcdb renders exactly 98 cards on the base page https://www.tcdb.com/Checklist.cfm/sid/281739/2020-21-Donruss-Optic-Signature-Series - confirmed by paginating https://www.tcdb.com/Gallery.cfm/sid/281739/2020-21-Donruss-Optic-Signature-Series?PageIndex=10 which holds 8 entries, not 10 - while its header field claims 100, so the header is stale. The parallel-page test was applied and FAILED to recover the shortfall: the Gold parallel https://www.tcdb.com/Gallery.cfm/sid/281745/2020-21-Donruss-Optic-Signature-Series-Gold?PageIndex=10 also holds exactly 8 entries on its last page and an identical alphabetical head, so base and parallel catalogue the same 98. The two missing players CANNOT BE NAMED: cardboardconnection's page for this release returned HTTP 404 and sportscardchecklist reports the same 98. Recorded as 98 sourced rows plus this gap rather than inventing two codes.
• G-022 SOURCE CALIBRATION for this release, performed 2026-09-03 on CODED sets, never on base cards. tcdb.com PASSED: its RDS-SAD for Saddiq Bey matches an eBay seller free-text listing title verbatim at https://www.ebay.com/itm/185886711164 ("2020-21 Panini Donruss Optic - Rookie Dominators Signatures Saddiq Bey #RDS-SAD /99 (AU, RC)"). The base-block 151-200 scheme on Rated Rookies Signatures was CONFIRMED FROM SOURCES, not derived from the base run, against two seller free-text titles: https://www.ebay.com/itm/147404725766 ("LaMelo Ball 2020-21 Panini Donruss Optic Rated Rookie Choice Auto #153 SSP PSA 9"; LaMelo is base #153) and https://basketballcardguy.com/products/tyrese-haliburton-2020-21-donruss-optic-rated-rookies-signatures-holo-162-psa-9 ("Tyrese Haliburton 2020-21 Donruss Optic Rated Rookies Signatures Holo #162 PSA 9"; Haliburton is base #162). cardboardconnection.com FAILED to load (HTTP 404 on its 2020-21 Donruss Optic page) and supplied nothing. CAUTION FOR LATER PASSES: sportscardchecklist.com reports card counts of exactly 29 for Rookie Dominators Signatures and exactly 98 for Signature Series - identical to tcdb's RENDERED counts rather than to sets.csv's 30 and 100. That agreement reflects a shared upstream catalogue, NOT independent corroboration, and must not be read as confirming that those sets contain 29 and 98 cards.
• G-023 Genuine duplicate card codes, written verbatim and flagged in insert_cards.csv notes. Each falls on exactly TWO players, so these are real initials collisions and not the four-or-more data-entry smear pattern: Fast Break Signatures FB-JWS = James Wiseman and Jerry West; Signature Series SS-JWS = James Wiseman and Jerry West; SS-DDV = Devon Dotson and Donte DiVincenzo; SS-TBR = Thomas Bryant and Tony Bradley. Recorded for resolver authors: codes in this release are NOT derivable from initials - SS-MAX is Maxi Kleber (Tyrese Maxey is SS-TYM), SS-ASB is Isaac Bonga, SS-BB3 is Bradley Beal, SS-PAW is Precious Achiuwa, and DS-KWL is Kawhi Leonard while SS-KWL is Kevin Willis. (set_name, card_number) is therefore not a unique key in this release. Sources: https://www.tcdb.com/Checklist.cfm/sid/281739/2020-21-Donruss-Optic-Signature-Series and https://www.tcdb.com/Checklist.cfm/sid/281768/2020-21-Donruss-Optic-Fast-Break-Signatures
• G-024 tcdb sid regime for this release, recorded so a later pass need not re-derive it - and must NOT inherit it to another season or line. The base set is an isolated island at sid 264676. All 20 non-base sets and their colour tiers occupy one alphabetical run at 281570-281784, but that run is INTERLEAVED with unrelated products: probes returned 281614 = 1997-98 Select Captain Signatures Redemptions, 281678 = 1992 Allan Kaye's Sports Cards News Magazine, 281685 = 2021 Choice Portland Sea Dogs, 281697 = 2021 Topps Chrome X-Fractor. It is also interleaved with this release's own base parallels (281767 = Optic Black, 281727 = Fanatics, 281846 = Choice). Sids 281630 and 281650 redirect to the tcdb homepage - they exist but render nothing, which is distinct from a 404. A SECOND ISLAND at 288955-288968 holds Rookie Private Signings Association Version and the entire T-Minus 3...2...1 family; sweeping outward from 281570 alone would have missed both. The probe shape was validated against known-live sid 281570 through the identical ViewSet.cfm slug. Every numeric gap in https://www.tcdb.com/Inserts.cfm/sid/264676/2020-21-Donruss-Optic was probed and NO uncatalogued Optic insert or autograph subset was found; unlike the Hoops line, Inserts.cfm omitted no set here, though it did truncate its own tail after 'Winner Stays Blue'.

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