Signed and dated by Rauschenberg in felt pen. Earth Day - April 22, 1970. Offset Lithograph on heavy paper Museum fur Kunst und Gewerbe, Hamburg Earth Day poster, 1970. This is an original design by Rauschenberg to help bring awareness of the changes to our environment in the early 70's. The Bald Eagle was in jeopardy of being extinct and represented a strong symbol of our need to act and protect our future.