Antinous Albani gem

Engraved gem [antinous]; signed by giovanni pichler (italian, 1734 - 1791), or luigi pichler (italian, 1773 - 1854); 1750–1850; chalcedony; 83. Al. 257. 17; no copyright - united states (http://rightsstatements. Org/vocab/noc-us/1. 0/).