Light being reflected on the retina and sent to the pineal gland - screen printed PATCH

Old drawing from René Descartes' (1596-1650) in "Treatise of Man" supposing the function of the pineal gland.

This is a screen printed patch on plain, black, heavy cotton fabric. There is no iron on backing and the edge is raw-cut, there is no merrowed border. Size is 12.5 x 14 cm.

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