Postcard signed by 3 former NFL executives. Bert Bell, commissioner from 1946-1959 when he died (also owned Eagles/Steelers). Also signed by his two sons, Upton (former Patriots GM) & Bert Jr. (Colts Business Mgr) This comes from the June 2004, Lelands Auction lot #1721 Gigantic Personal Archives of Bert Bell, lot that I won. Rare piece to be signed by all 3 from this famous family. Postcard was mailed to himself on August 31, 1944 while in Chicago for a Bears game. Guaranteed to pass PSA/DNA.