First-rate pair of Baltimore Colts football helmets signed by (6) of their all-time greats. A Riddell Colts mini-helmet has Curt Donovan's signature in mint blue sharpie along with the inscription, "HOF "68 #70". A Riddell Colts replica helmet is mint signed by: Lenny Moore with "#24 HOF 75", Geno Marchetti "89 HOF 72", Raymond Berry with "HOF '73", John Mackey with "88 HOF 92" and Jim Parker with "HOF 73".