black powder signal cannon View cart “American lion and monkey mechanical bank” 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 Vintage Buffalo Copper/Brass Fire Extinguisher $295.00 Add to cart Brass ship’s porthole $425.00 Add to cart Period mirror with reverse ships painting $225.00 Add to cart Tiffany favrile glass signed vase $2,350.00 Add to cart