Pen ink
19 cm - 13.5 cm (7.48 in - 5.31 in)
Dreweatts & Bloomsbury Auctions - London, Dover Street,Feb 11, 2014
Etching
27 cm - 35 cm (10.63 in - 13.78 in)
Pen and ink
31.5 cm - 20 cm (12.4 in - 7.87 in)
Dreweatts & Bloomsbury Auctions - London, Dover Street,Oct 16, 2013
Pen and ink and wash on paper
7.5 cm - 10 cm (2.95 in - 3.94 in)
Bonhams & Butterfields - California, San Francisco,Nov 17, 2012
Pen and brown ink and brown wash with a little grey wash, within brown ink framing lines
110 cm - 135 cm (43.31 in - 53.15 in)