Gold plastic base has initials of the sponsoring sneaker company "P.F." on the ends of the bands. The gold plastic ring base has letters around its upper edge while the top has a clear plastic insert also with a circle of letters for decoding purposes. Insert lifts out and interior has circle of cardboard with one side in sliver luster and the other in metallic green luster. This piece is used to alternate the colors seen when the ring top is viewed through the clear plastic cap over the secret compartment. Comes with 2.75x3.5" instruction card. 1960s. Mint.