http://www.ebay.com/itm/401054887293

This vintage hat was made in the mid 1950s by the John B. Stetson Co. from their Royal Stetson grade felt.  It is their famous “Playboy” model, with lightweight felt, a stitched raw edge brim, marrow ribbon and diamond shaped bents on the side of the crown.  The hat is a size 7-3/8, with a 2-3/4″ brim and a 5-3/8″ crown.