Neither of these coins would be considered a rare date for their series. So, in circulated condition, their value would be based only on the silver they contain. The dime is currently worth about 45 cents, and the half is worth about $2.25
The 1946 Walking Liberty half is common and most coins are valued at $12.00-$15.00.
about 30.00
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
For circulated coins $1.00-$1.50 Uncirculated $1.75-$3.00
For the answer, visit: http://www.coinflation.com/coins/1946-1964-Silver-Roosevelt-Dime-Value.html
For circulated coins $1.00-$1.50 Uncirculated $1.75-$3.00
If its a dollar coin then it is worth 5 times face value...just for its actual silver content there is no rare mint mistake or marking from that year.
There were no dollar coins minted between 1936 and 1970 inclusive. Please check your coin again, you probably have a HALF dollar.
Modified coins have no collector value.
There were no silver dollars made in the US in 1946.
No British coin has contained any silver since 1946. From about 1919/1920 to 1946, all British silver coins were minted with 50% silver. Prior to 1919/1920, all British silver coins were made from sterling silver (92.5% silver).
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?"