Jaap van Dam (1876-1972). 4 items: (1) "Ontwerp - Balconhek. Motto - Studio."

Original design in pen and ink and gouache, heightened with white, sheet size 15 x 30 cm, signed lower r.

(2) (Much enlarged detail of ironwork of the balcony fence (1)). Original design in pen and ink and gouache, sheet size 102 x 53 cm, signed lower r. (creases/ rolled up); (3) "Vereeniging Afdeeling A te Rotterdam. Diploma. Aan den heer J. van Dam is bij den wedstrijd voor het ontwerp van een balconhek een eerste prijs, zilveren medaille toegekend. Rotterdam December 1904". Printed diploma filled in by hand, as designed by J.W. Arts, sheet size 34 x 23 cm. Signed with pen by the members of the jury, amongst which Adolf le Comte (1850-1921) and Jacob Cornelis van Dorsser (1880-1858). Also signed by the chair of the board L. de Munnik, and by J. van Dam himself as secretary of the society; (4) The silver token [coin] mentioned on the diploma, of de Vereeniging tot Verfraaiing van Rotterdam en tot Bevordering van het Vreemdelingenverkeer (uitgegeven in 1903), in original box of the maker J.M. van Kempen & Zonen (Voorschoten). Diameter 6 cm. (total 4)