I published an article about the 1952 Shelby Bicycles Yogi Berra Promo Card yesterday.

Here's an example of one of the surviving examples, the type 1 photo (also used for the 1950 Bowman and Drake's cards), and a link in case you missed it: https://www.postwarcards.com/a-rare-gem-the-1952-shelby-bicycles-yogi-berra-promotional-card/