watercolor, charcoal/cardboard, 30x46 cm, signed and dated p.d.: Jan Zachwatowicz / 1937 , description l.d.; sticker on binding: Emil Rucz / Warsaw, Widok 22, phone 218-40 / picture framing / nakl. Plans, maps / frames for photographs;
As a supplement, publication: Walls of Warsaw from 1938 with author's dedication
The above work is perhaps the first artwork by a prominent architect and architectural expert to appear on the auction art market!
