Lot 50099 – Cape of Good Hope – 1885 5s orange. Group of four items

Cape of Good Hope – 1885 5s orange. Group of four items including glass support cliché originating from the master negative, celluloid cliché (these two items with the design reversed) with Sperati comments about the result, thin cellophane where four genuine stamps -with its design chemically removed- were affixed in order to extract the part shape of their cancellations, this item with accompanying composite paper proof of the same four postmarks transposed as they were affixed to the cellophane, with Sperati dated annotations in October 1951; a unique group including a previously unknown negative clichés of this lovely design; the « Ultimate » collection only featured one definitive signed proof of this forgery.