Antique cameo brooch shell 10k Rose Gold cameo pink white stunning 2 inch ,classic circa 1840

Fine detailed feathered etching in this rich rose gold 10K brooch 2 Inches, large and impressive has pin clasp or loop for necklace shell back light to show how delicate and gorgeous. White and light pink coral carving cameo. I noticed on the magnified photo there is a craze line( faint ) to the left of the head, I was surprised to see it, because it is really not visible to the naked eye. It just doesn’t stand out at all on the cameo. Carved in around 1840 (New Classic style).