Nikolai Konstantinovich Roerich, 1874-1947
A diptych: stage designs for Tristan and Isolde
titled in ink on the stretcher
monogrammed on the right panel (lower right), the reverse with pages from the sale catalogue and a photocopy of a letter from the Nicholas Roerich Museum in New York tempera on canvas
each canvas 51 x 76 cm.(20 ¼ x 30 in).