Unpeeled Topps Mystery Finest set/Gretzky?
I have recently retired and decided to break out my collection of sports cards that I've had stashed away for decades. One item I've found is literally a mystery, as I have not been able to find a price/value anywhere. I have a complete 20-card set of 1998-99 Topps Mystery Finest Hockey cards UNPEELED. They are all in NM/M, and the M4-Gretzky looks pristine. I can't find unpeeled versions of the cards priced or for sale anywhere. I (and my son, who will inherit my collection, lol) thank you in advance for any intel on this!