Untitled is an etching and collage on paper realized by Hans Richter in 1973. published by La Nuova Foglio, a publishing house of Macerata. Monogrammed by Frida Richter and numbered in pencil on the lower margin. Edition of 99 prints. Good conditions. On the lower left margin of the back, there are a dry-stamp of the publishing house and a black-ink stamp " Estate Hans Richter ". from a portfolio of seven etchings published by The New Sheet under the supervision of Hans Richer, who signed for each " bon à tirer " before his death, which took place in Locarno on 1 February 1976. Due to the disappearance of the master, the engravings were subsequently signed by Mrs. Frida Richter , who had followed the work together with her husband. 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