[Advertising studies] 6x: (1) "Thos.Cook & Son Reisbureau.

Rembrandtsplein Vijgendam Amsterdam." Original design in gouache, with incorporated, pasted reproduction of modes of transporation, signed "J. Hazeveld '34 Ontw." top right, 32.5 x 50 cm.

(2) "Op reis!". Maar... Douwe Egberts in de pijp!" Original design in gouache on cardboard, with incorporated, pasted reproduction of a man lighting his pipe, signed "Carla v.d. Linden 2e leerj." top right (bottom corners sl. dam.); (3) "Constructiewerkplaats Werkspoor N.V. WS Utrecht Holland". Original design in gouache, with incorporated, pasted reproduction of an industrial complex, signed "G.H. de Groot" top right, 65 x 50 cm. (minor tears); (4) "Slecht weer dan Robinson". Original design in gouache on cardboard, signed "P. Migchelsen" bottom right, 57 x 37 cm. And with 2 more on bathing suits and the Fokker airplane factory. (total 6)