In 1991 Mr. Hager was issued Patented “4,979,619” the Sports-Card slab Holder in 1990. 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. This is not graded.
Product Information
| Category | Toys & Collectibles > Sports Trading Cards > Baseball Trading Cards |
|---|---|
| Brand | Topps |
| Condition | Good |
