The United State Mint 50 State Quarters Proof Set 2008. Coins in the original one piece box with the COA.

The coins that are in this set are the:

2008 Oklahoma’s “Scissortail Flycatcher” Clad Gem Proof Statehood Quarter
2008 New Mexico’s “Land of Enchantment” Clad Gem Proof Statehood Quarter
2008 Arizona’s “Grand Canyon State” Clad Gem Proof Statehood Quarter
2008 Alaska’s “The Great Land” Clad Gem Proof Statehood Quarter
2008 Hawaii’s “King Kamehameha I” Clad Gem Proof Statehood Quarter

Image is from USMint.gov