After the 1956-1961 Agreement, first application of the exclusive contract between
Georges Yatridès and Samuel E. Johnson until 1962, renewed until 1972
date on which Yatridès breaks the contract of his own will
Watercolors, Gouaches, Pastels and Drawings from the Cubist,.
Post-impressionist, Expressionist and Surrealist Schools
02 December-31 December 1960