Corvette---I did not start opening packs until 1957, and while I have an unopened 54 and 55 pack, I don't think I will open them to see if there is an odd card in them
. But that is very interesting. We just have to find some folks even older than me to ask about it. Also, you might want to ask the moderator to move this to the pre 1980 section where it may get more attention by collectors from that era