ArtworkPortrait of a ManSign in to saveChristian Friedrich Zincke (German, 1683/85–1767) — c. 1735 — enamel on copper in a gold frame with a blue glass and hair reverseArtwork · Cleveland Museum of Artenamel on copper in a gold frame with a blue glass and hair reverseArtistChristian Friedrich Zincke (German, 1683/85–1767)Datec. 1735Mediumenamel on copper in a gold frame with a blue glass and hair reverseView at Cleveland Museum of Art · Open Access