Charcoal heightened with white on blue-grey paper
7.4 cm - 16.2 cm (2.91 in - 6.38 in)
Chalk heightened with white chalk
35.3 cm - 21.4 cm (13.9 in - 8.43 in)
Monotype
17 cm - 15.5 cm (6.69 in - 6.1 in)
Chalk pen and black ink, grey wash heightened with white on light brown paper
29.8 cm - 26.8 cm (11.73 in - 10.55 in)