Tab fronts featured a color logo with the usual indicia found on a candy or gum issue.
Reverses had a color photo of the player with his name, team, and position in a rounded banner beneath.
These were basically a test issue for the next year's Topps Candy Lids release. This test run had the same players and are very similar to the 1973 version, with the exception that the later series had a color border around the player photo.
Note that some surviving examples of this release still have a square black border attached, where the lid hasn't yet been cut away.
Being a test issue, the 1972 lids are much more difficult to locate, and thus command a higher price among collectors.
Prominent players in this set include: