Victorian 14K Gold Cameo Locket Brooch Pendant Late 1800's

A message from the past: this amazing Victorian 14K rose and yellow gold pendant locket/brooch features a hand carved agate cameo with a masterfully detailed female profile and is engraved with:
"M. J. Jagnes Christmas 1874."
Measurements:
Length: 43 mm
Width: 35 mm
Weight: 21.9 grams
Condition: very good, with patina throughout (can be polished upon request). No chips or damages.