Museum Quality scene of boy feeding chicken Light shell in Gold Plated Brooch Circa 1885

Huge Museum Quality Antique Sardonyx shell scene of boy feeding chicken, in the Gold plated custom design Brooch. No marks - which is common for that time. Measurements - 2 ” by 1-7/8” (46 mm. by 50 mm.). Weight is 12 grams. Few stress lines. Circa 1885.