We are pleased to offer for sale this 2008-S Oklahoma State Quarter Silver Proof. The reverse side of the Oklahoma Silver State Quarter features an image of the State bird, the Scissortail Flycatcher, in flight with its distinctive tail feathers spread. The reverse side of the Oklahoma Silver State Quarter was designed by Phebe Hemphill. This 2008-S Oklahoma State Quarter Silver Proof is from the San Francisco (S) Mint. All Silver State Quarters are comprised of .900 silver and .100 copper (90% silver) with a weight of 6.25 grams and a diameter of 24.3mm. These Oklahoma State Quarter Silver Proofs come from original U.S. Mint Proof Sets. All of our Silver State Quarter Proofs have nice eye appeal and no major marks or visible problems. This Oklahoma State Quarter Silver Proof represents a great value for the price. This 2008-S Oklahoma State Quarter Proof Silver Coin is worth the price for any collector or numismatist who wishes to fill a space in their collection. There were 1,020,768 of the 2008-S Oklahoma State Quarter Proof Silver Coins minted at the San Francisco Mint.