black powder signal cannon View cart “Tiffany & Co” has been added to your cart.$995.00Early 20th century black powder signal cannon. 14” long and 8” high black powder signal cannon quantity Add to cart Add to Wishlist Categories: Accessories, AmericanaRelated products Brass ship’s porthole $425.00 Add to cart Marble and Bronze Tazza $1,850.00 Add to cart signed Japanese green glass float 2 $495.00 Add to cart Art Deco bronze and marble jewelry tray $395.00 Add to cart