A gold mounted micromosaic bird cage fob, first half 19th century, the base inset with an oval micro-mosaic panel depicting a recumbent spaniel, within a goldstone border, beneath a gold chased foliate decorated collet mount, and surmounted by a bird cage enclosing a miniature parrot suspended within a hoop, beneath ribbed suspensory loop, length 32mm. £800-£1,000