PAUL TROUBETZKOY (1866-1938) Portrait of a boy signed and dated 'Paul Troubetzkoy 1915' (on the shoulder); foundry mark 'Roman bronze work N. Y.' (on the reverse of the shoulder) bronze, cast, patina H. 31.5 cm 1915 PAUL TROUBETZKOY (1866-1938) Portrait of a boy signed and dated 'Paul Troubetzkoy 1915'(at shoulder); foundry mark 'Roman bronze work N. Y.' (on the reverse of shoulder) bronze, casting, patina H. 31.5 cm 1915