"© Licensed to London News Pictures. 28/06/2017. London, UK. ""Self-Portrait"", 1963-64, by Andy Warhol sold for a hammer price of GBP5.2m (estimate GBP5-7m) at Sotheby's Contemporary Art evening sale in New Bond Street, which featured pioneering works from the Pop Art genre. Photo credit : Stephen Chung/LNP"
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