WWII era Sard U.S. Navy Binoculars 7x50 Mark 21

WWII era U.S. Navy 7x50 binoculars made by Sard. Binoculars and case are both in great shape. Binoculars still have Hollywood Clampocular mounting system attached. Markings are: "Sard Product of Square D Company Flushing New York" "7x50 BU Aero U.S. Navy Mark 21 F.S.S.C. 88-B-320" Both straps still attached and unbroken. Metal close snap missing from case.

Measures 7 and 1/4 inches high. Maryland residents must add 6% sales tax. Thanks for looking.