black powder signal cannon$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 Turn of the century fire helmet $995.00 Add to cart Brass ship’s porthole $425.00 Add to cart Advertising carved wood shoe $2,100.00 Add to cart Art deco style table lamp $425.00 Add to cart