Norma BULL.
Pencil with watercolour.
13.5 x 24.0 cm (sheet).
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Norma BULL.
Pencil with watercolour.
23.0 x 19.0 cm (sheet) 23.0 x 12.5 cm (comp).
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Norma BULL.
Pen and ink with watercolour.
31.5 x 39.0 cm (sheet).
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Norma BULL.
Pen and ink with watercolour.
42.0 x 58 0 cm (sheet).
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