PORTRAIT of Johann Nathanael LIEBERKÜHN (1711-1756), German anatomist and physician - "Belohnung der Tugend". Etching by Georg Friedrich Schmidt (1712-1775), after Blaise Nicolas Le Sueur. Proof on strong wove paper. Small margins of the copper. 26,3 x 18,7 cm. Condition A (cut on or inside the copperplate mark).

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