A collection of glass intaglios

A collection of glass intaglios, probably by James Tassie (1735-1799), a metal casting block depicting the head of a Assyrian revival man and with resin cast, with seventeen further opaque white glass casts of five classical figures and King George III, a glass model of a man's head wearing a turban with green-stone pendant and tassle, a gold brooch centred with a diamond with four amethysts and four seed pearls, a garnet and seed pearl-set gold bar brooch, a circular gold brooch centred with a diamond within a surround of seed pearls and further border of larger pearls, a gold flower head brooch set with seed pearls and a gold brooch set with three circular cabochon amethysts, an Art Nouveau pressed horn butterfly pendant mounted with two blue glass beads and further glass beads to the necklace, 10cm wide, a yellow glass intaglio-mounted silver ring depicting Brutus with the words 'Eid Mar', a clear glass intaglio engraved with the mizpah inscription under the all-seeing eye and reference to Genesis XXXI 49, with a soft-back pamphlet for James Tassie, Scottish Masters from The National Galleries of Scotland