Bô Yin Râ, The ruins in Kos (Greece) 1913 Signed and dated to the lower right of the centre: BÔ YIN RÂ 1913. On the stretcher a label of the Kunstsalon Richard Banger, Wiesbaden and Bad Nauheim 76 × 85,7 cm Oil on canvas Heinrich Prince zu Schaumburg-Lippe (acquired in the 1920s-years, thence by descent to the present owner)