1978 Jack Wallin Grand Slam · #33
Billy Herman
Comps coming soonguide value available · sold comps coming soonas of 2026-06-21
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$36
- PSA 9$85
- BGS 10$133
SCP sales volume 18 · as of 2026-06-21
Source: /data/comp_v2/1978_1978-jack-wallin-grand-slam_33_billy_herman.json