1991 Upper Deck Baseball Forum

I have this Joe Orsukak #506 with no hologram logo like the rest of the set. No option on the checklist for this one. Could it be an error?

I have a few also, I think it’s just a printing anomaly but interested to see what others think. 
 

Missed in the printing process (it happened a lot to UD cards in their first few years of production). They are not errors, nor are they listable here.

I have also seen it happen on several cards from the hockey series as well

I have a bunch like that, I also have some with the Holo's ( some more than 1) all over the back of the card