Self-portrait of German printmaker Carl Gottlieb Guttenberg, engraved by Friedrich Fleischman.
<bdi><a href="https://en.wikipedia.org/wiki/en:Carl_Guttenberg" class="extiw" title="w:en:Carl Guttenberg"><span title="engraver (1743-1790)">Carl Guttenberg</span></a>
</bdi>
um 1810/20
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