Seller: tomfla (12,560) 100%, Location: Watertown, New York, Ships to: US, CA, Item: 190876989308 Vintage Ornate Cast Iron Stove Pipe/Heating Floor/Wall Register Grates. Marked Manufactured by The Adams Company Dubuque Iowa Pat Aug 31, 1897. Outside diameter is 15.5 inches. Size of inner hole is 6.25 inches. Good condition. I see no cracks. I would guess these would be sand blasted and painted and look great in a home. If in the Watertown, NY area you may pick this up Snow Shoe Antiques, 17896 US Rt 11, Watertown, NY. If you have an item you put on eBay, contact me as I am a registered eBay trading assistant.