1978 Jack Wallin Grand Slam · #20
Wally Berger
estimateguide value · no realized compsas of 2026-06-25
No realized sales recorded yet — the SportsCardsPro guide value below is the current market reference for this card.
Guide value · SportsCardsPro
price-guide reference, not realized sales- Raw$39
- PSA 9$35
- BGS 10$256
SCP sales volume 9 · as of 2026-06-25
Source: /data/comp_v2/1978_jack-wallin-grand-slam_20_wally_berger.json