That's not a circulating dollar coin, but rather a Silver Eagle bullion coin. It's 99.9% pure silver with a trace of copper.
The first US dollar coin was made in 1794.
This is not a US Mint coin. It was made in Liberia, the composition is copper-nickel and is not a US legal tender coin. It has no numismatic collectible value. It's worth only what you can get for it.
Panama's currency is linked to the US dollar 1-to-1, so a Panamanian centisimo coin is the same as a US 1¢ coin. The two coins are even the same size and composition.
A recent coin would be unlikely to have any collector value. The current exchange rate for a Jamaican dollar is about 1.3 US cents, that's all.
It's a circulating coin, a dollar
The first US Dollar coin was minted in 1794.
a dollar
Please rephrase question. if you mean "How much did the first US dollar coin cost?" the answer is exactly a Dollar!
There was no fifty dollar US gold coin produced in 1940.
Check that coin again. The U.S. has never minted a two dollar coin.
US 1924 one dollar coin is a Peace dollar. It is worth on average about $25-30
A US dollar coin dated 1797 is a Draped Bust dollar. If you actually have a dollar coin dated 1797, take it to a coin dealer for an accurate assessment. The coin is rare.