Buy And Sell Basketball Memorabilia

Grey Flannel Auctions is the premier sports memorabilia auction house when it comes to offering game-used basketball material. With thousands of game worn NBA jerseys, championship rings, trophies and other basketball memorabilia we cater to the true NBA fan!

We specialize in buying and selling authentic NBA, ABA, AAU & NCAA material. Whether you are looking for a game worn "Dr. J" jersey or Lebron's game-used sneakers, chances are we have exactly what you are looking for. As the industry leader in NBA memorabilia, we work with sports collectors from across the world to organize and appraise their basketball collections.

We have assembled a superb team of experienced specialists in all areas of Sports Collectibles including:

  • Game-Used/Game-Worn Jerseys & Equipment
  • American Basketball Association, Historical Artifacts & Autographs
  • Championship Jewelry, Trophies & Awards
  • Pre-1960’s Sports Cards
  • Stadium Ephemera

We offer complimentary initial assessments of individual items, collections, and estates to assist in determining the extent of the required appraisal service.

If you are looking to get an item appraised please fill out our appraisal form, or call (631) 288-7800 ext. 3. A member of our staff will get back to you within 24 hours.