If you mean the first coin made by the first US Mint it was the 1793 Half Cents issued in July of that year.
The first US quarter was minted in 1796. It had a portrait of Miss Liberty on the coin.
The first US half dollars were minted in 1794.
Penny
The first 1,758 US silver dollars were minted in Philadelphia in 1794.
The US Half cent and the US Large cent were both first minted in 1793 and were the first coins issued by the US Mint.
The first US quarter was minted in 1796. It had a portrait of Miss Liberty on the coin.
The first US Dollar coin was minted in 1794.
The first US quarter was minted in 1796. It had a portrait of Miss Liberty on the coin.
The first US half dollars were minted in 1794.
Penny
The first 1,758 US silver dollars were minted in Philadelphia in 1794.
No, the first US (Federal issue) gold coin was minted in 1795 and the double eagle ($20) wasn't minted until 1850.
There was no 1977 British One Pound coin minted. The first general circulation One Pound coins was minted in 1983.
The mint is the place where the coin was made. In the US there are several. If the coin has a D next to the date, it was minted in Denver. S is for San Francisco.
The US Half cent and the US Large cent were both first minted in 1793 and were the first coins issued by the US Mint.
Please check your coin again and post a new, separate question. The first US $1 coins were minted in 1794.
No such coin (that is intended for circulation) exists. The last silver dollar coin was minted in 1935. The only other coin since then to use the silver dollar size was the Eisenhower dollar first minted in 1971.