This vintage SARD Square D Company BU Aero US Navy Mark 21 7x50 Binoculars is a perfect addition to any militaria collector's collection. These binoculars date back to the World War II era and were used by the US Navy. They are in great shape and have been well-preserved over the years. The binoculars have a unique design and are made with high-quality materials that were used during that time period. The lenses are clear and the focus is smooth, making it easy to use. This item is a must-have for any serious collector, especially those interested in US Navy memorabilia. Sold as is no returns, no exchanges