1999 Upper Deck Challengers for 70 Baseball Forum

I bought one of these recently online, thinking that it was produced by Upper Deck.  They are actually produced by someone else and just stamped one of one.  Should second party one of ones be added on our DB?  I wouldn't have bought it had I known it was from a second party.

You are correct that these after-market stamped 1/1s would not be listed here.

Edit to add, I entered the IR to get the set removed. Looks like it was added a long time ago (no set addition or checklist upload in the change log). Admin instituted change logs by set in 2015 (I think that's when it was).

Thanks Dan!