I’ve taken a great risk and actually INCOMPLETED my collection! I sold my foreign Mint on Card Mongor because he was my only non U.S. card left and 4 of my figures are away at AFA anyway so I figured it was an ok time to shake things up. But if anyone has a gradeable (even if it may be less than 70, I just want a clean card and clear bubble) American card Mongor I will pay top dollar or make a trade from my ebay store if for some reason you don’t like money. 
The kicker on this is before I started collecting Thundercats packaged, probably 5 or 6 years ago, I had one someone had brought me in a collection and I sold it at the flea market for like 50 bucks, I don’t remember there being anything wrong with it but that’s probably been embellished over time. In a similar sob story, I need 1 WWF Hasbro figure in the package (black trunks Million Dollar Man) and I vividly remember buying one at Walgreens for 99 cents several years after they stopped producing them and I OPENED it to put with my others. Sigh…