Mind-bending works on sale

Given the prices sought for very similar works on the internet, the bargains of the week have to be three works by Victor Vasarely going under the hammer at Adam's on April 5.

Given the prices sought for very similar works on the internet, the bargains of the week have to be three works by Victor Vasarely going under the hammer at Adam's on April 5.

No collection of 20th century art would be complete without an example of the movement that so sums up the 1960s - op art – and Vasarely was its acknowledged leader.

Born in Hungary in 1906, Vasarely studied at Budapest's ...