The first US one dollar coin was issued in 1794, post new question.
How much is a 1779 coin worth in the us
No geniune US dollar coins are dated 1779, the first was struck in 1794.
No US silver dollars dated 1779 first year of issue was 1794.
Please look at the coin again. The first U.S. silver dollar was struck in 1794.
Please look at the coin again. A dual-dated US $1 coin would be from the Bicentennial, so the dates will be 1776-1976. There's more at the Related Question.
How much is a 1779 coin worth in the us
No geniune US dollar coins are dated 1779, the first was struck in 1794.
No US silver dollars dated 1779 first year of issue was 1794.
Please look at the coin again. The first U.S. silver dollar was struck in 1794.
Please look at the coin again. A dual-dated US $1 coin would be from the Bicentennial, so the dates will be 1776-1976. There's more at the Related Question.
The first US silver dollars were minted in 1794. Please check again and post a new question.
Look at the dates again and post new question.
The U.S. one dollar coin minted in 1976 was an Eisenhower dollar dated 1779-1976. Most were clad coins but some were made with 40% silver.
The United States Mint did not produce a dollar coin in 1779.
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None of the bicentennial coins made for general circulation are worth more than face value. Only Proof and collectors coins sold from the US Mint are worth more.
No U.S. one dollar coins were issued in 1779, the first was in 1794. The piece is likely a reproduction of a Post-Colonial issue of some type. Take it to a coin dealer for an assessment