Scottish artist William Russell Flint's 1949 watercolour, Portrait of Isobel, is to auction at Freeman's in Philadelphia on June 18.
The painting, which Flint completed two years before he was knighted, is valued at $20,000-30,000 ahead of the European Art & Old Masters auction.
The artist is best known for his work in watercolour as well as his eroticised treatment of the female form.
In August 2008, a rare oil on canvas by the artist featuring a female nude sold for £301,250 ($472,749) at Sotheby's, while a watercolour entitled Sandy Bastion sold for £120,500 ($189,105), also at Sotheby's, in May of the same year.
The Mixer Men, a 1944 canvas by fellow British artist Joan Eardley, recently auctioned for £32,000 ($48,672) in Edinburgh.
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