$80 to $5100 depending upon the condition of the coin.
That is Scott number US 942 issued in 1946. It has a minimal value and can be purchased for 50 cents in mint condition and 15 cents used.
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.
Centennial Summer was created on 1946-07-10.
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
The 1946 Walking Liberty half is common and most coins are valued at $12.00-$15.00.
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?"
Please check your bill again and post a new, separate question. There are no US bills dated 1946.
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.
The U.S. didn't print any $2 bills with that date.
I'm certain you mean 1964, not 1946. In 1946 JFK was only 29 years old and was running for office for the first time. Please see the Related Question.
4-23-11>> 1946 is a not a rare date for walking Liberty halves, if it shows any wear the value is for the silver, about $15.00