Dutch painter (1872–1944) closely associated with the De Stijl movement, best known for his primary-colored geometric ‘Compositions.’ Hand-addressed mailing envelope, 5.25 x 4.25, to “Mr. Adolph Gottlieb, 130 State St., Brooklyn, N. Y.,” with his name and return address on the flap, “P. Mondrian, N. Y. C., 353 East 56 St.” A tear to the left side of the reverse from opening (not affecting any writing), otherwise fine condition. Gottlieb was chairman of the membership committee of the Federation of Modern Painters and Sculptors. RR Auction COA.