1978 Wiffle Ball Discs
Bert Blyleven
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$28
- PSA 9$22
- BGS 10$60
SCP sales volume 13 · as of 2026-06-21
Source: /data/comp_v2/1978_1978-wiffle-ball-discs_nno_bert_blyleven.json