Fine quality neoclassical carnelian intaglio after Valerio Belli c.1740.
The scene depicts a Sacrifice to Venus wih Bacchanalian revellers standing by a temple and decorating the statue at centre.
Possibly converted from an earlier seal the high carat ring c.1800.
Size 6. Intaglio 2 cms by 2.5cms.
Valerio Belli (1468–1546),a celebrated gem engraver and medallist, was the leading specialist in intaglios engraved in rock crystal, a difficult luxury form which Belli pioneered. These were highly sought after by wealthy Italian collectors. They developed their style from classical coins  to give "smoothly and eloquently orchestrated figural compositions". A true gem for the 18th century Grand Tourist.