Hello everyone,
While cleaning up the house, we found an old box with something that I cannot identify. It looks like some sort of printing technique on glass, maybe etched glass? I don't know, so I thought I'd ask who could know. Pictures here:
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for the poor quality, but should do. They were taken putting theplate in front of a white sheet of paper and a light behind it, so onecan see the drawing.
Thanks in advance!