Picture: Bushmen of the Kalahari Desert, Botswana, 2008, Sebastião Salgado
Images by legendary photographers such as Patrick Lichfield and Terry O?Neill are set to raise money for the charity Survival International.
The pictures for sale will be showcased at Art London 2011 which takes place at the Royal Hospital in Chelsea, London from 6-10 October.
?They include some of the greatest names in contemporary photography,? said a spokesman for the Little Black Gallery which is organising the sale.
Photographers featured include Bob Carlos Clarke, Duffy, Chris Levine and Sebastião Salgado.
To view the donated images visit www.survivalinternational.org/artlondon
To bid for images email firstname.lastname@example.org
The bidding is open until 5 October and highest bid will be announced on 6 October.