- Medium
- Pen and black ink and white and gray gouache, with touches of graphite on cream wove tracing paper, laid down on white wove paper, laid down on cream board
- Dimensions
- Primary support: 41.5 × 30.5 cm (16 3/8 × 12 1/16 in.); Secondary support: 42 × 31 cm (16 9/16 × 12 1/4 in.); Tertiary support: 48.4 × 36.4 cm (19 1/16 × 14 3/8 in.)