Original Great Britain Penny Black Stamp Cancelled w/COA. Here is an Original Great Britain Penny Black Stamp Cancelled w/COA. You get what you see. The COA has the price the person paid for it back in 1981. That’s the price I’m starting it at. Please see photos for condition. A Wonderful addition to your collection. I’ll try and answer any questions as I can. Please be specific on your questions. Don’t wait to ask either. Don’t miss out! A wonderful addition to your collection.