Germany, 17th century, Man with baldric, Turquoise cameo in gold mount

Antonio Berini (1770-1861), Head of philosopher, Amethyst cameo on a gold ring

Attributed to Giuseppe Girometti (1780-1851), Profile of woman, Sardonyx cameo on gold brooch

Byzantium, 14th century, Gold ring with the name Theodoros Silibritzianos

Charles Brown (1749-1795), Ariadne, Glass intaglio

Egypt, 1st century BC, Ptolemy XII Auletius (117-51 BC), with Ptolemy II Arsinoe II(?), Sardonyx cameo

Roman Empire, 2nd century AD, Zeus Helios Megas Serapis, Nicolo intaglio on modern gold pin

Italy(?) late 15th century, Wild boar hunt, after antique model, Sardonyx cameo mounted on badge

France, 17th century, Abundance opening the sky to make flowers rain down, Agate intaglio

2nd-1st century BC (?), Medusa, Sardonyx cameo on modern gold ring

Italy, mid-16th century (Lodovico Marmitta?), Alexander the Great as Zeus-Ammon, Sardonyx cameo

Italy(?) 19th century, Jupiter, Sardonyx cameo on enamelled gold brooch

Italy, 19th century, Minerva, Sardonyx cameo

Italy, 16th century, Battle, Sardonyx cameo mounted in gold

Italy(?) 17th-18th century, Gryllus stone with Alexander as Zeus-Ammon, Sardonyx cameo on gold ring

Rome, 1st century AD, Emperor Titus (39-81 AD), Chalcedony

Rome, ca. 100 AD, Venus/Fortuna, Chalcedony cameo with 18th century restorations(?)

France, ca. 1550, Profile of woman, known as Semiramis, Sardonyx cameo on modern gold brooch

Paris, 14th century, Crucifixion, Sardonyx cameo on modern gold ring

France(?) Italy(?) 14th century, Signet with the name Henricus de Villanova, Nicolo intaglio (1st century AD) on gold ring