Sacagawea Dollar Coins (2000-Now).
The Sacagawea dollar was authorized by Congress in 1997 because the supply of Anthony dollars, in inventory since their last mintage in 1981, was soon expected to be depleted. Delays in ramping up Sacagawea dollar production led to a final 1999-dated mintage of Susan B. Anthony dollars. As predicted by Coin Coalition representatives at Congressional hearings on the United States $1 Coin Act of 1997, the government's decision not to eliminate the U.S. one dollar bill prevented the Sacagawea dollar from being widely circulated. While dollar coins are used infrequently in general commerce, they are used in place of tokens in some areas and are given as change in many United States Postal Service stamp vending machines, creating a relatively small but significant demand.
 2010 - D UNC SACAGAWEA $1.00 COIN **LOOK HERE**  US $1.95
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 2009-D UNC SACAGAWEA $1.00 COIN ** L@@K HERE** US $1.95
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 2010 - P UNC SACAGAWEA $1.00 COIN **LOOK HERE** US $1.95
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 2009-P UNC SACAGAWEA $1.00 COIN ** L@@K HERE** US $1.95
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 2010 - P & D UNC SACAGAWEA $1.00 COINs **LOOK HERE** US $3.75
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 2004 MS-BU - Sacagawea Golden Dollar - P&D Mint Set US $6.65
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 @ 2003 P&D ( UNCIRCULATED ) SACAGAWEA DOLLARS @ US $4.25
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 @ 2004-S ( PROOF ) SACAGAWEA DOLLAR @ US $5.95
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 @ 2005-S ( PROOF ) SACAGAWEA DOLLAR @ US $5.95
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 2000-P SACAGAWEA DOLLAR UNC Condition BEAUTIFUL US $.99
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There are approximately 1 billion Sacagawea coins in circulation and about 250 million more in reserve. The United States Mint greatly reduced production of Sacagawea dollars after the 2001 minting, citing sufficient inventory. As of 2006, the dollar is still being minted for collectors, and is available in Uncirculated Rolls, Mint Sets, and Proof Sets, but has not been released for general circulation since 2001.