PLEASE read all of the listing. Please wait for your invoice from us before paying. I ONLY sell antique and vintage items that are collectible. Keep visiting for more interesting items. Description:Rare original 1901 President William McKinley In Memoriam celluloid pin back button. Probably from September right after his assignation. It measures 1 ¼” across and is in excellent condition with original paper label in back. Guaranteed original. I took 2 photos of it at different angle...s in case there was glare, NO reserve. All my items are guaranteed original. I do not believe in owning or selling reproductions. If you have any doubts at all, you are welcome to return item for a full refund including shipping.I am listing some other interesting items in different catagories so please see my (view seller's other auctions) and combine to save on shipping.