Photopolymer Letterpress Prints Photopolymer Letterpress Prints from Galen D. Marshall-Clark Photopolymer Letterpress Prints Prints created from photopolymer plates, printed on Vandercook letterpress. Collaged with fabric. Example of process gLike Photopolymer Letterpress Prints Prints created from photopolymer plates, printed on Vandercook letterpress. Collaged with fabric. Illustrator Illustration Share R 7 n Galen D. Marshall-Clark Asheville, NC Follow Contact