By A Mystery Man Writer
US Navy 3/50 Mk9 Steel Cannon Casing #4057
3-inch/50-caliber gun - Wikipedia
Antique Working Model of U.S. Navy Deck Signal Cannon - Antique Working Model of U.S. Navy Deck Signal Cannon - Rafael Osona Auctions Nantucket, MA
US Navy WW2 3/50 Brass Cannon Casing Salute #4056
Lllunimon 1/1000 WWII USS Washington BB-56 Battleship Model Warship Alloy Die-Casting Static Boat Model Collection : Arts, Crafts & Sewing
Original Vietnam War Era U.S. Navy Gun 3 Inch / 50 Caliber Dual Purpos – International Military Antiques
3 inch / 50 Cal. — USS SLATER
3 inch 50 cal. Artillery Shell – Annapolis Maritime Antiques
MASSIVE! 1945 6 inch Solid Brass US NAVY Cannon shell - South Auction