Candy Lids and Catfish Hunter
Well into the '70s Topps produced one or two so-called "test sets" that were either printed and distributed in limited test markets, or made and never actually sold but released only within the very small collecting world. The famous "3-D" cards of 1968 were such a set, as were "Greatest Moments," the large-format series from 1971.
Also among the Test Issues was the 1973 set for which that image of Hunter was destroyed. These were player images on the inside of the lids to small containers of "baseball candy." By this point MLB was aware of these extra collectibles and demanded extra payment for the use of team logos and uniform emblems. So, Topps started airbrushing them out, and not long after, discontinued "test sets."
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