The 7 Most Valuable John O'Callaghan Cards
The most valuable John O'Callaghan card is the 2026 Topps Allen & Ginter Mini Autograph John O'Callaghan #MA-JO at $52.17 as of October 22, 2026.
By Ripbin Research · Updated 2026-10-22 · prices from live market data
See all John O'Callaghan cards & valuesShop John O'Callaghan cards on eBay
Affiliate — we may earn a commissionThe 7 most valuable John O'Callaghan cards in the Ripbin catalog (2026) carry a combined raw market value of $115.69, topped by a $52.17 card.
#62026 Topps Allen & Ginter John O'Callaghan #171
$1.71PSA 10 ~$38.21
Sets in this guide
More Baseball guides
Most Valuable Shohei Ohtani CardsMost Valuable Aaron Judge CardsMost Valuable Mike Trout CardsMost Valuable Zach Neto CardsMost Valuable Andrew Vaughn CardsMost Valuable Bubba Chandler CardsMost Valuable Kumar Rocker CardsMost Valuable Tom Seaver CardsMost Valuable George Lombard Jr CardsMost Valuable Logan Webb Cards