1978 Jack Wallin Grand Slam · #178
George McQuinn
estimateguide value available · sold comps coming soonas of 2026-08-15
Comps coming soon. The SportsCardsPro guide value below is a market reference, not a realized sale.
Population
Research pending — Rawcomps does not yet have a verified, card-level grading-population join for this record.
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Guide value · SportsCardsPro
price-guide reference, not realized sales- Raw$1
- PSA 8$3
- PSA 9$3
- PSA 9.5$4
Source: /data/comp_v2/1978_jack-wallin-grand-slam_178_george-mcquinn.json