... Black/Brown/White Mother of Pearl (MOP), Mussel, Paua, River, Trocas, Trocas, TrochusButtons StylesHoles, Self-shank, ... Faster Sampling, Quantity and Quality Ensured, Effective CommunicationButtons Types>Abalone / Awabi Shell Buttons (Japanese or Australian); >Akoya ... River Shell Buttons (American); >Mussel Shell Buttons; >Green Paua (Abalone) Shell Buttons (New Zealand); >River Shell Buttons (Chinese ...