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1973 Topps Football, #419 Mike Bass, Washington
1969 Topps Football Checklist, Set Info, Key Cards, Analysis
Baseball Card Cameos Checklist - Supercollector Catalog
1973 Topps Mike Bass RC #419 Redskins NM/MT (001) (Inv#DR1019)
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1981 Topps Football Cards Set checklist, prices, values & information
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