Purple diagonal, rounded and spiral lines, red crosses and spirals, and red diagonal and vertical lines crossed through
- Bishop, Mary (Mary Cecil Hamilton), 1914-1990
- Date:
- c.1955-1977
- Reference:
- 2856072i / 2856074i
Licence: In copyright
Credit: Purple diagonal, rounded and spiral lines, red crosses and spirals, and red diagonal and vertical lines crossed through. Source: Wellcome Collection.
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