Scarfe’s scathing satire to go under the hammer at Sotheby’s auction

A rotund Boris Johnson in a polka-dot clown outfit; Barack Obama in a Superman costume getting clobbered by a giant fist; the naked figure of George Bush crouched in the grass like an ape – these are among the illustrations to come under the hammer at Sotheby’s upcoming sale of works by cartoonist Gerald Scarfe.