WWII US Navy Ships Scope 10X, Marked "US Navy - BU. Ships, MK II MOD. 1, 10 Power, # 10445 1943" above adjustable focus ring. Hexagonal mount on each end, black coating over brass, black pebble finish to body. Overall length is 23 1/2". Fine condition, lenses could use internal cleaning, scope does disassemble. "The hand held telescope that you have on your site as a WWII Navy Scope is an OOD Glass. OOD meaning Officer of The Deck." So says, Bill Cook, Chief Opticalman, USNR-Ret., Seattle, WA. Thank you , Bill.