I've learned a great deal about 90's inserts since subscribing to this thread, especially along the lines of backdoored cards, executive promos, and non-serial numbered cards intended to be used as replacements...thanks to all those who contribute their knowledge!
So a question for all the experts in this thread...anyone have information on any 1994 Studio Series Stars Gold non-serial numbered cards (example below)? As you can see from the back of the card, it was never given a serial number. It was listed on eBay as a "promo" but based on what I've learned here, I'm more inclined to think it was a card intended as a replacement card for actual serial numbered versions, and some of the leftover non-serial numbered cards were backdoored instead of being destroyed. Or it could just be a misprint where the serial number simply never got stamped.
Anyone have any thoughts and/or an example of this card for your player? Maybe it is a promo, I just can find any info that indicates Studio produced actual promo cards for this particular insert set.
And my apologies if this was already discussed previously in this thread. I'm only caught up as far as page 400, so if it was discussed after that point, I haven't gotten there yet.