Czekolada Plutos prospekt (Promotional booklet for Plutos Chocolate).
BERLEWI, HENRYK. Wat, Aleksander.
Typography and design and constructivist wrappers in yellow, grey, black, red, and white by Henryk Berlewi. Conserved in a cloth box with tipped-on label.  p. 15 x 15 cm. Pencil dedication from the artist dated June 23, 1957.
Neither OCLC nor KVK locate any copies. The Muzeum Narodowe in Warsaw owns a copy.