[Piet Zwart - Bruynzeel blotters]

"Bruynzeel parket'. September 1959 + "Bruynzeel struktakasten vereenvoudigen en versnellen de bouw". December 1959 + tubogon, February 1960 + "Bruynzeel reinigings-en glansmiddelen". March 1960 (light, nearly invisible dampstaining right side).

(total 4)