hi chief
i might be able to help here some what with these holsters the last u.s.holster pictured is a shoulder holster appears to be marked u.s.n. in an oval i believe its for the victory model 38 calliber navy pilots usually carried them the outher holser dark brown is for the east german mockeroff 9mm the best pistol made in my opinion and at this moment i cant think of the special ammo it takes do not put straight 9mm ammo in this pistol i know of one guy that did just this not a good idea also you have a holster with a ww2 date on it with a broad arrow on back side thats english but sorry dont know what pistol fits hope this has helped you god bless andy militarynut