77/ 548 Zwart, P. [N.K.F.]. "3 eigenschappen van onze kabels met papierisolatie (...) 3 qualités de nos cables isolés au papier (...)". Advertisement, (±1928), 32,3x32,1 cm., recto w. letterpress text, verso blank.

- Sharp vertical middle fold; lower blank corners sl. dam. by rodents.

= Rare advertisement w. parallel Dutch and French text. PROOF.