Guilloché is a decorative technique in which a very precise, intricate and repetitive pattern is mechanically engraved into an underlying metallic material via engine turning. [wikipedia]
Shellac is a resin secreted by the female Kerria lacca bug on trees in the forests of India and Thailand. It is processed and sold as dry flakes and dissolved in alcohol to make liquid shellac, which is used as a wood high-gloss varnish in the western world.
A gold, hardstone and gem-set model of a hatching chick finely carved of solid amethyst with ruffled feathers emerging from a chalcedony cracked shell, realistically chased gold feet standing on broken eggshell agate base, with faceted gem set eyes. The purple chick is probably meant to represent the “blue orpington” breed. A fine collection of