Chung Ling Soo (William E. Robinson). Chung Ling Soo Mysteries. The Birth of the Pearl. Acton: Weiners Litho, ca. 1915. Half-sheet color lithograph advertising the illusion in which a sea nymph appeared inside a giant oyster shell. Signed “Val Prince” in the image. 29 x 20”. Linen backed. A fine and bright impression, unrestored, with a single short closed tear to left margin. A.