2000 Sacagawea dollar – Washington quarter mule
United States | |
| Value | .25 and 1 United States dollar (different face value inscribed on each side) |
|---|---|
| Mass | 8.100 g (0.26 troy oz) |
| Diameter | 26.49 mm (1.043 in) |
| Thickness | 2.00 mm (0.079 in) |
| Edge | Plain |
| Composition | Core: 100% Cu Cladding: 77% Cu, 12% Zn, 7% Mn, 4% Ni Overall: 88.5% Cu, 6% Zn, 3.5% Mn, 2% Ni |
| Years of minting | 2000 |
| Mint marks | P |
| Obverse | |
| Design | George Washington |
| Designer | John Flanagan (original) / William Cousins (modification to Flanagan's design) |
| Design date | 1999 |
| Reverse | |
| Design | Soaring eagle |
| Designer | Thomas D. Rogers |
| Design date | 2000 |
The 2000 Sacagawea dollar – Washington quarter mule is an error coin featuring the obverse of a Washington quarter (specifically a 50 State quarter) and the reverse of a Sacagawea dollar struck on a gold-colored dollar coin planchet. It is one of the first known authentic mule coins to be released into circulation by the United States Mint.