An original vintage Cole Bros. color lithograph circus panel poster, Marion Knowlton Worlds Greatest Lady Elephant Trainer. Circa: 1940s. Titled in the print lower to the center. Marked in the print, Litho in USA Erie Litho and PTG Div US PTG and Litho Co 41 82665 #1, lower right. Additionally inscribed on the back. Vintage posters, graphic art prints, and collectibles.