Believe it or not, I purchased one of these prints from the habitat for humanities thrift shop in Hatboro. It has the following at the lower left corner handwritten in cursive with pencil..."Melnicoff Memorial Edition, 1972 - Untitled." At the lower right it is written the following..."(edition of 50)." It also has the embossed seal of the Philadelphia College of Art, Founded 1876 at the lower right corner.