This set of 24 Doubleheaders, which was test marketed by Topps, and is extremely tough to find, features the New York Mets (1-13) and the New York Yankees (14-24). Each item is a clear plastic stand-up holder containing two mini-reproductions of the player's cards. On one side is the 1989 Topps card, and on the reverse is a reproduction of the rookie card.
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