Peter beat me to the 53 Bowman Musial but I have a couple of other faves....
On the pre-war side I had no reason to buy this 1911 Obak Curt Bernard other than the wonderful background showing Chutes Park.
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Hard to choose a post-war card other than the Musial but I'm partial to the '78 Murray rookie. It's just different and it's 100% Murray.
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Thanks for all the other great cards posted in this thread!