Aquatint and soft ground etching, relief, pochoir. Paper size: 14 3/8 x 19 3/4 inches. Image size: 10 x 14 inches. Edition of 50. $2,500.00. Pace Prints is pleased to announce the release of our first print edition by Robin F. Williams. Earth Prayer is an etching with rainbow roll and pochoir, in an edition of 50. Created in celebration of Earth Day, proceeds benefit Environmental Defense Fund.