lower left in graphite: Hors d'commerce; lower center in graphite: Artist's proof. "Grunewald"; lower right in graphite: Baskin
Jay Finkel, Washington, DC; acquired 2013 by the National Gallery of Art
- Fern, Alan, and Judith O'Sullivan. The Complete Prints of Leonard Baskin: A Catalogue Raisonné, 1948-1983. Boston, Massachusetts: Little, Brown and Company, 1984, no. 428.