Woman with goat near country houses light sardonyx shell. in the Gold or Gold gilded Brooch Circa 1875

Well carved antique Gold or Gold gilded (no marks - which is common for that time) (it does have gold content in the acid test for 10K Gold). Measurements - 1- 5/8” by 1-7/8” (40 mm. by 46 mm.). Weight is 12.8 grams. Nice carving circa 1875. For this age - really good condition, but some cleaning will helpful.