Lot 613 , An agate cameo stick pin, 18th/19th century and later

An agate cameo stick pin, 18th/19th century and later, the oval cameo depicting a classical lady in profile wearing a headdress, in unusual brown and white agate on a transparent quartz ground, measuring 2.9 x 2.0cm, later mounted as a gold stick pin, length 6.6cm, gross weight approximately 8 grams
£100-150