No mint mark indicates that the dime was minted in Philadelphia.
It isn't a "JS" (and JS isn't the mintmark, the mintmark, if any would be found on the reverse) dime. It is a Roosevelt Dime, the JS are the designer's initials. It is silver, however, and worth around $2.15 in silver content.
You can find a picture of a 1936 liberty dime at the related link below.
Assuming the coin is circulated and has no mintmark, the 1936 Mercury Head dime is a very common date US coin, retail values run from $2.00-$6.00 for coins in a collectible condition, coins that are bent, corroded, scratched, used as jewelery or have been cleaned have far less value if any to a collector or dealer.
The 'W' you see is the designer's monogram not a mintmark. If the coin has a mintmark it's on the reverse.
The 'W' you see is the designer's monogram not a mintmark. If the coin has a mintmark it's on the reverse. 1919 is a common Mercury head dime with a $3.00-$5.00 value depending on grade.
a 1936 dime is called a mercury dime. they aren't rare so they are worth around a dollar
It isn't a "JS" (and JS isn't the mintmark, the mintmark, if any would be found on the reverse) dime. It is a Roosevelt Dime, the JS are the designer's initials. It is silver, however, and worth around $2.15 in silver content.
You can find a picture of a 1936 liberty dime at the related link below.
Assuming the coin is circulated and has no mintmark, the 1936 Mercury Head dime is a very common date US coin, retail values run from $2.00-$6.00 for coins in a collectible condition, coins that are bent, corroded, scratched, used as jewelery or have been cleaned have far less value if any to a collector or dealer.
A 1970 Uncirculated Mint set would not have a dime with a "S" mintmark, only a Proof set will have a dime with a "S" mintmark for that year, so no your mint set is not rare.
In general no. Just because a dime has a mintmark does not make it more valuable.
Philadelphia. Cents (pennies) from the Philadelphia mint have never carried a mintmark.
The 'W' you see is the designer's monogram not a mintmark. If the coin has a mintmark it's on the reverse.
8-1-11>>> Assuming the coin is circulated and has no mintmark, the 1936 Mercury Head dime is a very common date US coin, retail values run from $3.00-$4.00 for coins in average collectible condition, coins that are bent, corroded, scratched, used as jewelery or have been cleaned have far less value if any to a collector or dealer.
See the related question about mintmark locations.
The 1936 dime features the profile of lady liberty. These dimes are very valuable if in mint condition ranging up in the thousands.
The 'W' you see is the designer's monogram not a mintmark. If the coin has a mintmark it's on the reverse. 1919 is a common Mercury head dime with a $3.00-$5.00 value depending on grade.