black powder signal cannon View cart “Period mirror with reverse ships painting” 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 Cast solid bronze Native American $895.00 Add to cart American lion and monkey mechanical bank $995.00 Add to cart Brass ship’s porthole $425.00 Add to cart Vintage Buffalo Copper/Brass Fire Extinguisher $295.00 Add to cart