This is a Colt Officers Model Match blued 6"BBL .38 special, SN #921651, with match grade adjustable sights. The Indiana State Police used this gun to shoot in matches all over the United States. State Police Agencies use to travel and compete against each other in shooting matches. This helped officers become better marksmen. There is an engraving showing this Colt was donated by Ford Dealers of Indiana in 1959. This gun also comes with an Official Indiana State Police letterhead describing the details of this revolver. On the left side of grip it has been filed down where thumb rests (refer to picture 3). This is a rare gun with an amazing history and story with documentation.