$750
Answer If you found it in change, 1 cent. If it's in a mint set or proof set:With no mint mark and in uncirculated condition it's worth $0.25.With a D mint mark and in uncirculated condition is worth $0.10.With an S mint mark, large date in uncirculated condition is worth $0.15, proof is worth $1.00.With an S mint mark, small date in uncirculated condition is worth $30.00, proof is worth $60.00.
As of 12/2008, Numismedia quotes the fair market value (FMV) at $1310.00
A normal 1991 S proof set is worth $9. A 1991 S proof prestige set is worth $51.
If you found it in change, 1 cent. If it's in a mint set or proof set: With no mint mark and in uncirculated condition it's worth $0.25. With D mint mark and in uncirculated condition is worth $0.10. With S mint mark, large date in uncirculated condition is worth $0.15, proof is worth $1.00. With S mint mark, small date in uncirculated condition is worth $30.00, proof is worth $60.00.
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.
The 1970 Kennedy half dollar was only issued in mint sets and proof sets. It was not released into circulation, both coins are 40% silver. A 1970-D is valued at $9.00, the 1970-S (proof) is $10.50.
It depends on the year? post new question.
The S mint mark on the coin identifies it as a proof coin that is only sold in proof sets from the mint. The retail value of a proof 1997s is $16.10 but if the coin was found in a bank roll or in change, it's now only worth face value.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about $1.40, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about a $1.50, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about $1.50 - $1.60, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
About $6.00 or so. They are very common coins.