A key factor making the new Sacagawea dollar different from its failed predecessor is its golden manganese-bronze clad planchet, which would replace the copper-nickel clad planchet used on the Anthony dollars that made it easily confused with a quarter dollar. 2000 marked the first year of Glenna Goodacre’s Sacagawea dollar design, which replaced the Anthony dollar that had returned in 1999 for a single year.