CHOULTSE, IVAN (1874-1939) The Approaching Storm , signed. Oil on canvas, 73.5 by 92.5 cm. Provenance: The Russian Sale, Sotheby’s London, 10 May 2000, lot 45. Acquired at the above sale by the father of the present owner. Thence by descent. Private collection, UK. Authenticity of the work has been confirmed by the expert V. Petrov.