Assuming no mint marks $9.00-$60.00 in average circulated condition.
It was 100 dollars!
20 half dollars have a face value of a $10.
$ 60000
The motto E PLURIBUS UNUM is on all Walking Liberty half dollars and adds nothing to the value. Coins of this date have and average value of $7.00-$9.00
There are no 1918 silver dollars Please see the Related Question for information about 1922 dollars.
Total mintage of 1918 Walking Liberty halves is 20,769,040
The silver melt value of 820 US half dollars is $10,113.74. The silver melt value of 820 1965-70 US half dollars is only $4,135.40.
200
The average value of circulated half dollars is $300.00- $500.00
Kennedy half dollars from banks or in change are just 50 cents.
100 dollars
Half a thousand dollars . . .