The thorax is set with an amethyst-colored crystal.
The elytra are represented by a large carved citrine-colored cabochon.
Perfectly functional brooch system, C-shaped clasp, the hinge attachment is an old replacement.
Unhallmarked silver, tested with a touchstone.
Some wear on the gilding.
England, early 19th century, circa 1830.
Dimensions 4.2x3.2cm
Weight 17g