76/ 719 Zwart, P. [N.K.F.]. "3 eigenschappen van onze kabels met papierisolatie (...)". Advertisement, 1928, 30x11,9 cm. (leaf), recto w. letterpress text, verso blank.

- Dated "16.5.28" in pencil on verso.

= Dated (erroneously) "1926" by Piet Zwart in pencil in lower right corner on recto and on verso w. his annots. in pen and red ink: "Piet Zwart/ Rijksstraatweg 290/ Wassenaar/ Inserat 1928". PROOF. PZ-028; Monguzzi p.61. SEE ILLUSTRATION PLATE XXXVI.