One obverse and one reverse doubled-die is known for proofs only no other examples exist.
If your asking about 1963 Double Headed Lincoln cents? No authentic mint errors exist.
The 1943 copper Lincoln cents were made by error, only about 12 exist.
No one keeps track of how many cents still exist, but as of December 2014 (the last month for which figures are available as of this writing), the total number of Lincoln cents minted since 1909 is approximately 486,168,711,000 - i.e. nearly half a trillion coins!
The Denver mint did not mint Lincoln cents in 1909, so a 1909 D Lincoln cent doesn't exist. The only two mints to mint Lincoln cents in that year were Philadelphia (no mintmark) and San Fransisco. Lincoln cents started being minted in Denver in 1911. But any 1909 cent is rare, but it prices differ greatly depending on the mintmark, so I can't really say any value without knowing the true mintmark of the coin.
About 3 cents in average circulated condition. It's the 1943 that gets expensive if it does not stick to a magnet. Only about a dozen of these copper 1943 cents exist.
A 1964-S Lincoln cent does not exist, look at the coin again and post new question.
To date, no certified examples of a reverse doubled-die 1966 Lincoln cent exist. Mechanical doubling is likely what you see, not a true doubled-die error. Mechanical doubling is the most common type of doubling on U.S. coins and is most often confused with doubled dies, this doubling is extremely common with numerous examples being produced on all denominations every year. It's value is only what someone is willing to pay.
Lincoln cents with Kennedy's face counter stamped on them are novelty coins that have no numismatic value at all. Many different dates and mintmarks exist, but they are still only face value.
The British do not use a dollar. There are no cents in it since it does not exist.
No "Newly discovered" 1943 copper (Bronze) Lincoln cents have come to light in more than 50 years. Only 15 are known to exist.
20 cents didn't exist in the 15th century.
1964 Lincoln cents are very common, way too many original rolls and Mint bags still exist for the coin to have high values. Typical uncirculated coins sell for 5 to 10 cents.