6 American portrait prints- 1 & 2). William Auerbach-Levy (1889-1963)- ''Timothy Cole''- soft ground etching, 1921, signed in pencil. 12 x 9'' ''Timothy Cole (No.2)''- drypoint, 1931, signed in pencil, edition of 50. 8 3/4 x 10 1/2'' 3). Otto Schneider (1875-1946)- ''Self-Portrait''- drypoint. 7 3/8 x 5 7/8'' 4). Walter Tittle (1883-1966)- ''Sir John Lavery-Painter''- drypoint, 1932, first trial proof, signed and annotated ''imp, 1st trial proof', dated and titled in ink. 9 7/8 x 7 7/8'' 5 & 6). Keith Shaw Williams (1906-1951)- ''Portrait of Roi Partridge''- drypoint, signed in pencil 8 7/8 x 6'' ''Portrait of Robert Nisbet''- etching, signed in pencil. 6 x 5 7/8''