Lot 50097 – St. Lucia – 1885 1s, master negative on celluloid and glass support cliché

St. Lucia – 1885 Key Type 1s, master negative on celluloid with painted surround, and glass support cliché of the country and denomination tablets at top and base of the design reading « St. Lucia » & « One Shilling », a unique duo including the important and only one recorded master matrix on celluloid.