1998
1998 maps exactly 439 physical Upper Deck MJx checklist identities across 1 normalized subjects.
Open a player only when you want the category and subset breakdown.
Basketball Parallel Guide
Upper Deck MJx Player Checklist Guide
MJx uses its complete physical-card ledger rather than a fabricated Base rainbow. Every mapped card retains its release, family, version, serial evidence, partners, and source identity.
Research note
1 complete basketball releases map 439 exact physical player-bearing checklist identities from the canonical ledger.