http://www.ebay.com/itm/401073439583

This vintage cowboy hat was made in the 1920s by the John B. Stetson Co. of Philadelphia, PA and was sold by the E.C. Olson Co. of Rapid City, SD.  It has a high, square sided, square topped crown with shallow dents, a bound brim with a light flange and a mid-width ribbon.  It is a 7-1/4, with a 3″ brim and a 5″ crown.