A reverse-carved crystal stick pin

A reverse-carved crystal stick pin, c1900, depicting a greyhound, of circular form and mounted in gold pin, 1.5cm wide

A sulphide crystal intaglio-mounted gold brooch, depicting a Staffordshire bull terrier, 2cm wide,

A micromosaic-mounted circular gold brooch, depicting the symbols for Chi Rho, with Alpha and Omega, bead border to the circular frame, 2.3cm wide