Zwei Frösche. Um 1923 /24.
Watercolor.
Signed in lower right. On Japon, firmly mounted. 35.1 x 46.8 cm (13.8 x 18.4 in) , the full sheet. [CH].

Rare depiction of animals at the Berlin Zoo.
Not offered on the auction market for 40 years.
With a photo expertise issued by Prof. Dr. Martin Urban on October 22, 1989.

PROVENANCE: Private collection Lower Saxony.