I photographed these QF 3-pounder / 47mm Hotchkiss Mk 1 examples at Dunkirk and the Brussels Military Museum
3-pound Hotchkiss QF Mk 1
Used as a Salute Gun at Fort Shinkakassa and aboard the Belgiuan Navy ships Kamina and A960 Godetia
Brussels Military Museum 2026
47mm Hotchkiss Deck Gun
Found at sea between Calais and Dunkirk