London, UK. 3 June 2016. A staff member examines Roman Cieslewicz' "Cassius Clay" (est. GBP 5,000-7,000), at a preview of Sotheby's Russian and contemporary central and eastern European art sale which takes place in London on 7 June. Credit: Stephen Chung/Alamy Live News

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Photo credit: © Stephen Chung / Alamy / Afripics
License: Licensed
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Keywords: ali, art, artist, boxer, cassius, clay, collectable, collector, eastern, economy, european, expensive, finance, investment, london, muhammed, russia, russian, sotheby