Maurizio Cattelan's artwork "Comedian," a banana duct-taped to a wall, sold for $6.2 million at a Sotheby's auction.

A piece of conceptual art consisting of a banana duct-taped to a wall sold for $6.2 million US at an auction in New York on Wednesday.

Italian artist Maurizio Cattelan's conceptual artwork "Comedian," which involves a banana duct-taped to a wall, is set to go under the hammer at Sotheby's in New York on 20 November. It is estimated ...