https://www.christies.com/lotfinder/lot_details2.aspx?intObjectID=4407876
SALE 7019
RUSSIAN PICTURES
London
30 November 2004
LOT 192
Nikolai Konstantinovich Rerikh [Roerich] (1874-1947)
Blue landscape
Price realised
GBP 83,650
Estimate
GBP 50,000 - GBP 70,000
signed with Cyrillic initials 'R.Kh' (lower right) and signed again, dated and numbered 'N 45/25/R.Kh' (on the reverse)
gouache on board
25 7/8 x 38 5/8 in. (65.8 x 98.1 cm.)