LCG Auctions describes themselves as the "hobby’s premier marketplace specializing in high-end toys & related collectibles of the 1970’s, 80’s, and 90’s." And for their Winter Premier Auction, LCG is offering an amazing array of Masters of the Universe vintage toy sets up for bid, many factory sealed in their original packaging. While many of these amazing vintage Masters of the Universe listings will probably command thousands of dollars, probably no other item will come close in value to the rare unopened Battle For Eternia Gift Set, what many consider a "holy grail" item among vintage-in-box collectors (due to its…