Antique Victorian 9Ct Gold Shell Cameo Brooch Of Annunciation Angel c 1860's

We have for sale this antique Victorian 9 carat yellow gold brooch with carved shell cameo of Annunciation Angel. The mount and pin are unmarked but have been tested for minimum 9 carat gold. The brooch measures approx. 55.5mm by 48.4mm or 2 3/16'' by 1 15/16''.
The weight is 14.4g.
The coin shown is just for photo.
Condition : the shell is in good used condition, some stress marks but not going through. Please see photos.

Ref.number: 18/21