The "W" is part of the monogram of the designer A. A. Weinmann. At that time there was (a) no mint at West Point and (b) nearly all coins had their mint marks on the reverse side, unlike modern coins, so the "S" indicates your dime was minted at San Francisco.
Please see the Related Question for values.
The Liberty dime minted in 1943 was 90% silver. The current rate for a circulated 1943 Liberty Dime is the current value of the silver of the coin, presently $5.50
The coin is so common if it has any wear at all the value is for the silver only, about $1.25
It isn't a liberty dime, it is a Roosevelt dime, it isn't silver and only worth 10 cents.
approx. $13.
Average condition about $1.00
The Liberty dime minted in 1943 was 90% silver. The current rate for a circulated 1943 Liberty Dime is the current value of the silver of the coin, presently $5.50
The coin is so common if it has any wear at all the value is for the silver only, about $1.25
It isn't a liberty dime, it is a Roosevelt dime, it isn't silver and only worth 10 cents.
approx. $13.
Average condition about $1.00
A 1941 Winged Liberty head Dime - aka - Mercury Dime - in good condition (G4) is worth: $2; if the mint state is MS60, its value rises to: $8.00.
A '44 Mercury dime is worth about $2.50.
If in good condition it can be worth a few dollars. The dime was also silver.
A 1885 dime - aka - Seated Liberty Dime - in MS60 condition is worth: $200.
About $12 in average condition. Coins with a "CC" mint mark on the back are worth a dollar or two more.
It's worth 10 cents.
It's a common date, worth around $2.