Piotr Potworowski memorium One of the identifying factors

One of the identifying factors of zograscopes is their emphasizaed linear perspective so to enhance the depth of the piece when viewed through the device itself

Welch Manufacturing Company

Publisher: Instituto Guatemalteco de Turismo

Artist - Bill Dada in Zurich exhibition poster

Translated Title - Wanted For Murder Director - Lawrence Huntington

Piotr Potworowski memorium One of the identifying factors"Piotr Potworowski Wysrawa Malarstwa Centralne Biuro Wystaw Artystycznych Zwizek Polskich Artystw Plastykw" English Translation: "Piotr Potworowski Painting Exhibition Central Bureau of Artistic Exhibitions Association of Polish Visual Artists" An exhibition by the artist Piotr Potworowski was organized by the Central Bureau of Art Exhibitions and the Association of Polish Artists. Condition: Good fold linws and minor tears along the right border