Illies, Otto (1881-1959) Wave (Falkenstein bei Elbuferstrand), oil sketch, signed on the lower ri

Illies, Otto (1881-1959) "Wave (Falkenstein bei Elbuferstrand)", oil sketch, signed on the lower right, titled on the verso, 23,8x41,3cm (w.f. 37,5x54,5cm)
Illies, Otto (1881-1959) „Welle (Falkenstein bei Elbuferstrand)“, Ölstudie/Malpappe, u.r. sign., verso betit./bez., 23,8x41,3cm (m.R. 37,5x54,5cm)