Jos Ruting (1909-1987)
Thyssens natuurkundige serie no. 1 Zoetwatervisschen. Front for a book publication. Watercolour, 37 x 23 cm. + 2 printings on paper + Ring Ouzel, calendar leaf April 1929. Watercolour, 19 x 24 cm. + original watercolour Senefelder Calendar 1934 "Eurasian hobbies", 43 x 20 cm. - and 7 loose calendar leaves.
(total 12)