Ottana 74 is an original etching realized by Giuseppe Guerreschi in 1974. Hand-signed in pencil on the lower right by the artist. Edition 71/99. In excellent condition. The artwork represents collage type composition in a harmonious manner, The artist's efforts indicate the perfect applying of aesthetic features. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution