The 2006 Clad Proof Set is a collectible coin set from the U.S. Mint in original government packaging. This set includes coins with denominations ranging from 1 cent to $1, composed of copper-plated zinc, copper-nickel, and manganese-brass. The coins are uncirculated and struck in proof quality at the San Francisco Mint. Each coin is certified by the U.S. Mint, making it a valuable addition to any coin collection.