He wrote his Opus 1991 520-page Book on baseball cards. He copyrighted the 1 to 10 Grading system universally used all over the world today. In the last 40 years he has written 11 books on collectibles. Hager Patented the MAC Hologram for Sports cards and coins in 2014 Patent 9,932,757 with over 100,000 collectibles stickered to date. #1 in Quality TOPPS, FLEER, O-Pee-Chee.
PSA, BGS, CGS & SGC. Macable Trading has been serving the best quality in sports cards for 30 years. Our mission is to revolutionize the sports card industry in such a way that it CANNOT be altered by an organized group.Our prices are based on one key factor that are considered when appraising the value of our cards as a whole. Instead of graded price dictated by outdated price guides. MAC calculates the value of its sports cards based on the POPULATION.
POP-1 coins can sell for many multiples of a higher POP. Rewind Folder history 0 1 0. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Basketball-NBA\Photos". The seller is "collectibletrading" and is located in this country: US. This item can be shipped worldwide.