black powder signal cannon View cart “signed Japanese green glass float 2” 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 Turn of the century fire helmet $995.00 Add to cart Art deco style table lamp $425.00 Add to cart Cast solid bronze Native American $895.00 Add to cart Art Deco bronze and marble jewelry tray $395.00 Add to cart