GMC Blog
The “Ten Million” T212 vintage baseball card
The baseball card collecting hobby has seen a resurgence of popularity over the last several years. Part of it due
Set Spotlight: 1934-36 Diamond Stars
When it comes to pre-war baseball cards, there’s no shortage of beautiful illustrations. From turn-of-the-century tobacco cards to the iconic
Vintage basketball bargains: 1971-72 Wilt Chamberlain
By 1971, Wilt Chamberlain’s professional basketball career was nearly over. He’d already won four MVP awards, collected seven scoring titles,
The true cost of a full mint set of 1970’s Topps Baseball
By the 1970’s, the Topps baseball card machine was operating at full capacity. Pumping out 700+ card sets every year,
10 heavy hitting rookies from the 1980’s that sell for more than you’d think
The 1980’s were not an era for power hitting. At least not until the end of the decade, when big
Fanatics buys Topps… but what does it mean for baseball card collectors?
If you’ve been paying attention to the hobby over the last few months, you know there’s been some big moves
The 14 highest selling rookie cards of NFL kickers
There may be no more enigmatic, exciting, and frustrating element of American football than place kicking. While it seems like
Greg Morris Explains: Why GMC grades every raw card we sell
If you are interested in selling or consigning your baseball cards, there’s a number of reasons to go with Greg
The worst photoshop job ever? The 1975 O-Pee-Chee Bill Clement
After winning his 2nd Stanley Cup with the Philadelphia Flyers in 1975, Bill Clement was traded to the Washington Capitals.