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1991 Upper Deck Mark McGwire #656

Oakland Athletics · "The Bashing Years" card; his regular card is #174

Values collected by hand from recent sales, Oct 2026. Grades marked Pending have not been collected yet.

Is it worth grading?

Grading costs more than most raw junk wax cards sell for. Only consider it if the card is sharp: centered, four clean corners, no print lines or wax stains. Check the PSA 10 vs raw gap above once values are in.