77/4745 Vos, P. (1935-2010). (Man peeing in an urinal). Drawing, watercolour and pencil, 9,2x7,5 cm., "4-XI-'88" in pencil. Idem. (Portrait of a boy). Drawing, watercolour and pencil, 7,5x6,5 cm., signed and "16-XI-'84" in pencil.

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