ITEM NAME:US 11 September 2001 911 Bronze Plated Commemorative Coin Metal Challenge CoinM& Description: Features: Souvenir art & collectible, business gift holiday decoration gift This is for one coin, pictures represent front and back Perfect for home collectible office art gift Specification: Material: Zinc Alloy Diameter: app.4cm/1.57''(reference one yuan coin diameter: 2.5cm) Thickness: app.0.3cm/0.12'' Main Color: Bronze Quantity: 1 Pc Package included:1pc coin with plastic box Note: 1.Please allow 1-3cm error due to manual measurement..Material: Zinc Alloy. This is for one coin, pictures represent front and back. Main Color: Bronze. Due to the difference between different monitors, the picture may not reflect the actual color of the item.