There are 2 Wax Wrapper 1975 trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Wax Wrapper 1975 [Rainbow Foil] #915 at $64.99 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/wax-wrapper-1975Wax Wrapper 1975 Cards
2 cards · Baseball