- Medium
- Charcoal and white chalk, with gray pastel and stumping, on light gray paper with blue fibers, laid down on wood pulp board
- Dimensions
- Primary support: 40.7 × 64.8 cm (16 1/16 × 25 9/16 in.); Secondary support: 43.2 × 66.8 cm (17 1/16 × 26 5/16 in.)