Description:Baltimore Colts professional model helmet attributed to Don Shinnick c.1960s. MacGregor brand helmet has "Geodetic" marked leather suspension interior. Player number "66" is noted in large numeral applique on the back. Strong usage wear evident throughout with the shell covered in nicks and contact marks. It is likely that the facemask is not a standard model which would have been found on this shell and the clips are replacements marked "Schutt." Chinstrap is a later Riddell which has been added for display. Includes LOA from Hunt Auctions: EX