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 Marble and Bronze Tazza $1,850.00 Add to cart Turn of the century fire helmet $995.00 Add to cart Tumbling block quilt $300.00 Add to cart Period mirror with reverse ships painting $225.00 Add to cart