The product is a rare vintage NFL football referee hand signals 6.5" drinking glass. This unique item combines the recognition of football referees with a collectible vintage piece, making it a special addition for sports memorabilia collectors or football fans. The glass likely features various hand signals used by referees during games, adding a fun and nostalgic touch to any collection.

Note that one glass has a hairline crack but is not rough to the touch as it appears to be on the inside, like an inside fracture.