This is an example of a Smith and Wesson .38 service revolver. The .38 S&W is a revolver cartridge developed by Smith & Wesson in 1877. Versions of the cartridge were the standard revolver cartridges of the British military from 1922 until the 1960s. This type of weapon would of been used by the 3rd Hussars during the Crete campaign, May-Jun 1941.