Nikolai Konstantinovich Roerich (Russian, 1874-1947)
Three sketches: a sketch for the production of Tristan and Isolde, 1922; a double-sided sketch: Sons of Heaven, 1919 on one side and a sketch for St. Mercurius of Smolensk on the other side; and a sketch for an unidentified painting
the first: inscribed on reverse with the title, date, NY and number '34'; the second: inscribed with title (upper right), reverse sketch inscribed with numbers '6' and '450' and erroneous title; the third: inscribed on reverse with number '27', size and additional monograms
all pencil on paper
largest: 24.5 x 30.5cm (9 5/8 x 12in).
unframed, in custom matting