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SBA's were struck for circulation in 1979 and 1980. When it became apparent that the design was severely flawed, minting was discontinued except for coins made for proof and uncirculated sets in 1981.

However, supplies of dollar coins started to run out in the late 1990s before Sacagawea dollars could be designed and minted. Inflation and use in transit systems and vending machines had increased demand, so there was one last run of SBA's made in 1999.

Yes, this is a kind of long-winded answer but as you see the situation is a bit more complicated than one might expect.

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15y ago

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