500 HOME RUN CLUB RING. # 20 of 20. Manufactured in the late 1980's, this rare ring is in amazing condition. It's a size 11, made of 14K gold , weighing approximately 44 Grams. Made by Balfour, with all appropriate narkings. All real diamonds Last one sold in Heritage Auctions last year for over ,500 eventhough the black stone was damaged. This one is near perfect compared to that one. Won't last long