This is a Vintage WW2 US Navy Mark 21 SarD Square D 7X50 Aero Binocular with Leather Case. The binoculars are in good used condition and the lenses are clear, but the case is showing its age.The item "Vintage WW2 US Navy Mark 21 SarD Square D 7X50 Aero Binoculars with Leather Case" is in sale since Saturday, August 22, 2020. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Field Gear, Equipment". The seller is "wendysworld" and is located in Swarthmore, Pennsylvania. This item can be shipped worldwide.