| Date |
Price |
| Proof Washington Quarter 1956 |
$16.70 |
| Proof Washington Quarter 1957 |
$8.25 |
| Proof Washington Quarter 1958 |
$8.25 |
| Proof Washington Quarter 1959 |
$7.25 |
| Proof Washington Quarter 1960 |
$7.25 |
| Proof Washington Quarter 1961 |
$6.25 |
| Proof Washington Quarter 1962 |
$6.25 |
| Proof Washington Quarter 1963 |
$6.25 |
| Proof Washington Quarter 1964 |
$6.25 |
| Proof Washington Quarter 1965 |
$2.50 |
| Proof Washington Quarter 1966 |
$2.50 |
| Proof Washington Quarter 1967 |
$3.25 |
| Proof Washington Quarter 1968-S |
$2.25 |
| Proof Washington Quarter 1969-S |
$2.50 |
| Proof Washington Quarter 1970-S |
$2.25 |
| Proof Washington Quarter 1971-S |
$2.70 |
| Proof Washington Quarter 1972-S |
$2.70 |
| Proof Washington Quarter 1973-S |
$2.25 |
| Proof Washington Quarter 1974-S |
$2.50 |
| Proof Washington Quarter 1976-S |
$2.25 |
| Proof Washington Quarter 1977-S |
$3.70 |
| Proof Washington Quarter 1978-S |
$2.50 |
| Proof Washington Quarter 1979-S |
$2.50 |
| Proof Washington Quarter 1979-S ty2 |
$3.25 |
| Proof Washington Quarter 1980-S |
$2.50 |
| Proof Washington Quarter 1981-S |
$2.50 |
| Proof Washington Quarter 1981-S ty2 |
$4.70 |
| Proof Washington Quarter 1982-S |
$3.00 |
| Proof Washington Quarter 1983-S |
$3.00 |
| Proof Washington Quarter 1984-S |
$3.00 |
| Proof Washington Quarter 1985-S |
$2.50 |
| Proof Washington Quarter 1986-S |
$3.00 |
| Proof Washington Quarter 1987-S |
$2.70 |
| Proof Washington Quarter 1988-S |
$2.70 |
| Proof Washington Quarter 1989-S |
$2.70 |
| Proof Washington Quarter 1990-S |
$4.70 |
| Proof Washington Quarter 1991-S |
$3.25 |
| Proof Washington Quarter 1992-S |
$3.25 |
| Proof Washington Quarter 1992-S Silver |
$6.25 |
| Proof Washington Quarter 1993-S |
$4.70 |
| Proof Washington Quarter 1993-S Silver |
$6.25 |
| Proof Washington Quarter 1994-S |
$4.70 |
| Proof Washington Quarter 1994-S Silver |
$11.25 |
| Proof Washington Quarter 1995-S |
$10.25 |
| Proof Washington Quarter 1995-S Silver |
$11.25 |
| Proof Washington Quarter 1996-S |
$5.00 |
| Proof Washington Quarter 1996-S Silver |
$8.70 |
| Proof Washington Quarter 1997-S |
$7.50 |
| Proof Washington Quarter 1997-S Silver |
$11.25 |
| Proof Washington Quarter 1998-S |
$8.25 |
| Proof Washington Quarter 1998-S Silver |
$9.25 |
