Antique Hand Painted Enamel Heavy Vintage Brooch Pin BIRDS FLOWERS LIMOGES

  
Untested metal, heavy weight pin, the outer trim it looks black but closer look it's a dark deep blue, the inside is highly ornate decorative with flowers and a bird, with gold trim and a circle surrounding, estate jewelry pin and uncertain if it's European or Japanese, highly ornate, detailed craftsmanship, there is a mark on the back but not familiar with.