The coin necklace is all 16 carat gold plated 3 microns guaranteed, made using a rectangle mesh chain, a T clasp and its superb coin pendant, made in France. Handmade jewelry in our workshop in the south of France. Directions for use: Avoid contact with water and perfume to preserve the shine of your jewelry. Shipping method: LA POSTE - letter followed. Average shipping time from order confirmation: 7 to 10 working days maximum between purchase and shipment. In letter followed systematically if you want a discount against signature add the recommended supplement to your basket.