Actually, I stand corrected. It appears, browsing COMC listings, that these were only issued for the 30th Anniversary, meaning only the 1989 Score and 1989 Score Supplemental set would be stamped. So would it make more sense to just list the entire 1989 Score and Supplemental sets, just like we do with Heritage baseball?
Makes me a little nervous, because I've always found it to be easier to prove a card exists than prove a card doesn't exist, and I wouldn't want to create "ghost" entries. Sure would save us a lot of work adding cards one-by-one though...
I'll never quit collecting entirely, but I am downsizing. Check out my COMC store and help me thin out what I don't want so I can buy cards that I do want. See something you like? Send me a message on here, and we can knock the price down quite a bit. I'll even take a bit of a loss if it means getting you a card you really want.