- Medium
- Pen and brown ink, heightened with lead white (partly discolored), over black chalk, on blue laid paper, laid down on ivory laid paper
- Dimensions
- Primary support: 36.5 × 23.4 cm (14 3/8 × 9 1/4 in.); Secondary support: 38.2 × 24.2 cm (15 1/16 × 9 9/16 in.)