Robuta

https://www.christies.com/zh-cn/lot/lot-5972066 Alfred Stieglitz(1864-1946), Equivalents [167C], variant of [228C], [152E],[152D], [147C], [145D],... Equivalents [167C], variant of [228C], [152E],[152D], [147C], [145D], [179A], [251B], 1925-30