photogram on gelatin silver paper on aluminum Dibond

signed and dated (ink), title, technique (label) on mount verso

Wonderful unique copy by an Austrian contemporary.
Photogram, 1:1 image by placing an object on photo paper Here the long exposure of a conventional black-and-white photo paper, which, depending on the type of paper and lighting, produces brownish, reddish, and violet tones.
After the exposure the sheet is not developed but only fixed.
(Fritz Simak)