Posted By:
MEWheatPer oldcardboard.com, in inches, the size of cards should be 1-7/16 x 2-1/2
Check out the site, as it has a lot of basic information on most sets, including size of cards, number of cards, etc. I wish they had comprehensive checklsits. Here is the link:
http://www.oldcardboard.com/n/n172/n172.asp?cardsetID=657