Vintage Iridescent MOP Abalone Gold Tone Brooch Pin Draping Chains

Vintage MOP Abalone Gold Tone Brooch Pin Draping Chains Good vintage condition with some wear. May require cleaning. Please see photos for more detail and size. Most items are vintage and/or pre-owned. Please look the pictures over carefully. Feel free to ask questions. I am not a jewelry expert, but do my best to identify all pieces.