Rappenantilope. 1912. Pencil drawing. Signed and dated lower right. On wove paper by Whatman (with truncated watermark). 22.1 x 28.3 cm (8.7 x 11.1 in), the full sheet. Verso of frame with stamp of catalog raisonné and estate blindstamp. [CB].
We are grateful to Dr. Angelika Grettmann-Werner, Bremen, for her kind expert advice.