Nautical Signal Flag of Letter "E" in Shadowbox Frame

International maritime signal flag of letter 'E', 'ECHO,' set into a shadowbox frame. The cotton flag has a white canvas hoist with a sisal rope and wood toggle, with the maker's label from American flag maker Annin, the oldest flag maker in the United States and known for high quality and durability. The cotton field is blue over red. The signal for Echo when raised by itself is to announce "I am altering my course to starboard." The flag is mouted to a beige matting that is attached to a mahogany backboard with shadowbox frame. 19"H x 23"W