1940-S Washington Quarter. MS-67 (PCGS). CAC. Peripheral toning in vivid crimson red, golden-olive and powder blue gives way to virtual brilliance in the center of this incredible Superb Gem. Intense mint frost is seen on both sides and the surfaces border on pristine. A semi-key date Washington quarter of its era, the 1940-S has a mintage of just 8,244,000 coins.