For a similar example of a handkerchief brooch (pin) of gold and foil backed garnets bordering a rock-crystal panel mounted over hair, circa 1805, see page 175, Shirley Bury, Jewellery: The International Era 1789-1910, Vol.1, Antique Collector's Club, 1991
Lot heading
A small quantity of early 19th century brooches and a late 18th century ring,