This listing is for the item pictured above WWII Submarine Telescope Binoculars. Bausch & Lomb Optical Co. Mark 91 Mod 1. Thank you for looking Feel free to message me with any questions. The item “WWII U. S. Navy Bausch & Lomb Mark 91-1 Submarine Binoculars withWooden Case MK91″ is in sale since Tuesday, January 30, 2018. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Field Gear, Equipment”. The seller is “zieglkl” and is located in Henderson, Nevada. This item can be shipped worldwide.