Gustave Boulanger, Catherine I of Russia negotiating the Treaty of Prut with the Turks, 1866, private collection

Gustave Boulanger, Catherine I of Russia negotiating the Treaty of Prut with the Turks, 1866, private collection. Signed and dated 'G.R.C. Boulanger. 1866' (lower left), oil on canvas laid down on panel, 67 x 49 7/8 in. (170.2 x 126.7 cm.). Auctioned at Christie's 13 June 2006, price realized GBP 66,000.