The U.S. has never made a silver penny, look at the coin again and post new question.
No such thing as a Winged Liberty penny. 1943 Lincoln cents are steel. The Winged Liberty (or Mercury) design was used on dimes in 1943.
About $4.00 or $5.00
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.
What is a liberty Doppler worth
A 1918 Dime - aka - Winged Liberty/Mercury Dime - is worth in good condition (G4): $4; if its mint state is MS60, the value is: $70.
The value of a 1939 silver winged liberty dime can vary based on its condition and rarity. Generally, these dimes are worth their silver content, which is about $1.40 as of the current silver spot price. If the coin is in very good condition or is considered rare, it could be worth more to collectors. It's best to have the coin evaluated by a professional coin dealer to get an accurate value.
There is no such thing as a U.S. silver penny.
Assuming the coin is a 1940 Dime a circulated coin is about $2.00 a Mint state coin is $8.00
With the information given it is impossible to tell. Post a new question and include the date, condition, and mintmark(if it has one) of the coin.
US pennies have never been made of silver.
This penny is actually made of steel, not silver. These were produced in lieu of copper coins in 1943 to conserve precious metal reserves. This coin is worth at least 8 cents in typical conditions, but as much as 50 cents to $1 in UNC condition.
There is no such thing as a 1968 Liberty dime. Winged Liberty (Mercury) dimes stopped being minted in the mid-1940s. All 1968 dimes are Roosevelt Dimes, not silver, not rare, and are worth simply 10 cents unless in proof condition.