Truck King of the Road. 2 oz Ultra High Relief. Silver Coin Black Proof. Special: Smart Minting/Ultra High Relief/ Black Proof. Weight (oz): 2 oz. Diameter (mm): 38.61. Low Mintage (pcs): 999. Great addition to any collection. INVEST TODAY & PROFIT TOMORROW. Be one of the 999 people in the world to own this unique coin.