You are looking at a 1978 San Francisco Mint Washington Quarter, specifically a Proof coin. This quarter, part of the United States' Washington Quarters series, is made from a copper-nickel clad composition, which gives it a distinctive sheen and luster, typical of proof coins produced to showcase the craftsmanship of the United States Mint. This particular coin has a striking diameter of 24.3 millimeters and weighs 5.67 grams, standard for quarters of this era. It features the iconic designs by John Flanagan, which depict a profile of George Washington on the obverse and an eagle on the reverse. A remarkable aspect of this specific coin is its mintage. With only 3,127,781 pieces struck, it stands out as a collectable item for numismatists and those interested in US coinage. Though the denomination is 25 cents, its numismatic value may exceed this amount depending on its condition. Being a proof coin, it was produced for collectors and typically displays a high level of detail and reflective surfaces. Overall, this 1978 S Proof Washington Quarter is not only a representation of United States currency but also a piece of history, making it a cherished addition to any coin collection.
| currency | USD |
| currency-amount | 0.25 |
| diameter | 24.3 |
| height | 0 |
| material | Copper-Nickel clad Copper |
| mint-mark | S |
| mintage | 3127781 |
| type | Coins |
| weight | 5.67 |
| width | 0 |
| year-display | 1978 |