MPE Vault ledger
Ken Griffey Jr. — chain of custody
Every hand this slab has passed through since it was graded, plus the authenticity fingerprint that ties the record to the physical card.
🔒 Verified · Secured in the MPE Vault
PlayerKen Griffey Jr.
Year1991
SetUpper Deck
Card #555
GradeMpe Mint
SerialMPE-13422652
⛓️ Authenticity & custody
🔐Authenticity fingerprint #bd10473133a
🧾Ledger reference 11f237e0298
🏭Graded & encapsulated by MPE Grading
🏦Held in the MPE Vault · insured digital custody
🔗 Ownership & provenance
1 recorded hand-off since grading.
💵
MPE → Collecting Paper ·
$4.50 ·
💰 Sales history
💵 Sold for $4.50 · Sep 17, 2026
Seller MPE
Buyer Collecting Paper
Sale price $4.50
Date Sep 17, 2026 · 10:09 AM UTC
Sold via the MPE Vault Marketplace