Sotheby's set to sell Guiana stamp for sky-high price(1/4)

A Guiana One-Cent Magenta stamp is displayed for photographs at premises of the Sotheby's auction house, London, UK, April 28, 2021. The stamp created in 1856 and the sole survivor of its kind is estimated to fetch 10 million to 15 million dollars (about 64.83 million to 97.24 million RMB) at Sotheby's New York in June. (Photo/Agencies)

A Guiana One-Cent Magenta stamp is displayed for photographs at premises of the Sotheby's auction house, London, UK, April 28, 2021. The stamp created in 1856 and the sole survivor of its kind is estimated to fetch 10 million to 15 million dollars (about 64.83 million to 97.24 million RMB) at Sotheby's New York in June. (Photo/Agencies)

A staff member of the Sotheby's auction house shows a Guiana One-Cent Magenta stamp, London, UK, April 28, 2021. The stamp created in 1856 and the sole survivor of its kind is estimated to fetch 10 million to 15 million dollars (about 64.83 million to 97.24 million RMB). (Photo/Agencies)

Staff members of the Sotheby's auction house show a Guiana One-Cent Magenta stamp, London, UK, April 28, 2021. The stamp created in 1856 and the sole survivor of its kind is estimated to fetch 10 million to 15 million dollars (about 64.83 million to 97.24 million RMB). (Photo/Agencies)