An antique 18 carat gold intaglio brooch/medallion and two antique 14 carat gold intaglio tie pins

France, second half 19th century
The oval gold brooch with a central reverse-glass painting of a dog, the rim set with ten seed pearls. Also functions as a locket. In case, marked: Simons 's, Gravenhage. The tie pins circular, both with a central reverse-glass painted terrier. With case, marked: Simons 's, Gravenhage
Approx. weight 24.8 grams
L. brooch 3.4 cm
Diam. pins 1.6 / L. 6 - 6.3 cm
One tie pin below Dutch legal alloy
(3x)