No one dollar coins were made in 1946. The coin is a 1946 Walking Liberty Half Dolllar that is very common and most are valued at $7.00-$9.00
a dollar
value of 1845 us five dollar coin
Please turn the coin over and check the denomination on the back. It's a half dollar, not a dollar. There's more information at the question "What is the value of a 1946 US half dollar?"
The coin needs to be seen for an accurate assessment, but most have retail values of $80.00-$135.00 depending on the grade of the coin.
It's a common dollar coin that's face value
If you mean a US dollar coin dated 1946 it doesn't exist. It appears that US minting of dollar coins was suspended from 1936 until 1971 with the Eisenhower dollar.
a dollar
The 1946 Walking Liberty Half dollar is a very common high mintage coin, most show heavy wear with a average retail value of $14.00 in circulated condition.
value of 1845 us five dollar coin
Please turn the coin over and check the denomination on the back. It's a half dollar, not a dollar. There's more information at the question "What is the value of a 1946 US half dollar?"
The coin needs to be seen for an accurate assessment, but most have retail values of $80.00-$135.00 depending on the grade of the coin.
It's a common dollar coin that's face value
One 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.
The last US silver dollars were made in 1935. If you turn your coin over you should find that its denomination is a HALF dollar. There's more information at the Related Question.
$1.00