1979 O-Pee-Chee

The 1979 O-Pee-Chee cards are nearly identical in design to the Topps set of the same year, but display the O-Pee-Chee logo inside the baseball in the lower-left corner of the front. The number of cards in the set was increased to 374, each measuring 2-1/2" x 3-1/2". - 2007 Standard Catalog of Baseball Cards, 16th Edition.

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