About Greenie

Steve Greenberg aka "Greenie" has been buying and selling sports cards full time since 2006. The Greenie Team travels the country producing and attending card shows and conventions either setting up a booth or on a buying trip. GSC has had a booth since 2007 at The National Sports Collectors Convention. We are always looking to purchase single cards, and full collections so feel free to contact us at any time.  

Greenie Sports Cards has evolved into one of the largest collectible event producers in the nation, with over 30 events currently on the show circuit, including some of the Hobby's premier events including Great Lakes Collectors Convention, The Ohio State Card Show and Mountain State Collectors Convention

Greenie Sports Cards launched its Media Division in January 2024 as creators of the world’s first weekly live multi-stream hobby broadcast. Greenie Sports Cards Live! airs every Tuesday at 7pm EST across YouTube, Facebook, Instagram, LinkedIn, Twitter (X) and Twitch. Hosted by Jeremy Levine & Steve Greenberg, the show features Hobby News, Upcoming Card Shows across the country and interviews with athletes, coaches, influencers, producers and personalities across the collectible universe.

The show culminates with an eBay Live auction at 9pm hosted by Alex Schacht. Follow our social pages to catch the broadcast and interact with the show and guests. 

Greenie Sports Cards launched its Custom Card Division in 2023 following the success and interest of trading cards produced as appreciation for participants in the 1st ever Great Lakes Collectors Convention. 

Greenie Sports Cards is the official Trading Card Company of Kent State University, has produced team sets for Cleveland State University, Akron University, TCU, Notre Dame, amongst more and has a growing NIL roster of over 100+ student athletes across multiple schools and sports.