A nineteenth century carved coral figure of a reclining dog

A nineteenth century carved coral figure of a reclining dog, 3.0cm long. And two carved coral cameos depicting female profiles. Metal mounts, both 1.7cm high. Two late 18th century carved rock crystal intaglios, depicting two bearded men, possibly philosophers. Both 1.7cm high. And a late 18th century carved and reverse-faceted rock crystal intaglio depicting a man's profile. 1.9cm high. A 17th century carved circular carnelian intaglio, depicting a Christian scene with a seated figure holding a cross and a chalice. 1.8cm wide. A 1st to 2nd century AD carved oval intaglio depicting Zeus. Chip to top border. 1.2cm high. A 3rd to 4th century Sicilian carved intaglio depicting a warrior. 1.5cm high. And two 17th century carved intaglios of warriors wearing helmets. 1.8 and 1.2cm high. And a group of fourteen carved hardstone intaglios and cameos, mostly 17th-19th century.