Is A Gold Tone Quarter Real 1999-s State Quarter Proof Set Is Toned. Does That Make It More Valuable?

1999-s state quarter proof set is toned. does that make it more valuable? - is a gold tone quarter real

I tested the fourth state to appear all in all games of the 1999-2008 period, dressed well, but in 1999 states has on the front of a golden voice for them. I was told that the first 3 years is in the correction suggested place where the shadows because of problems in the lining of the coin. increases the value? Please tell me your source.