1978 79 Topps · #28
Howard Porter
estimateguide value · no realized compsas of 2026-06-21
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$8
- PSA 9$15
- BGS 10$174
SCP sales volume 10 · as of 2026-06-21
Source: /data/comp_v2/1978_1978-79-topps_28_howard_porter.json