Johann Jessenius à Jessen, half-length, with his left hand resting on a skull. Line engraving by J. Balzer, 1772 [?], after J. Kleinherdt, 1772.

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Johann Jessenius à Jessen, half-length, with his left hand resting on a skull. Line engraving by J. Balzer, 1772 [?], after J. Kleinherdt, 1772. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.