Modern ones are all proof, yes. However, some dated 1968-74, as well as any dated up through 1955 were standard business strikes, minted for circulation. San Francisco didn't take over minting proofs until 1968.
8-3-11>>> Current mintage data for the 1975-S Lincoln cent shows 2,845,450 coins were struck.
All pennies are worth a cent.
544,375,000 were made for circulation 2,934,631 were struck as proof coins
With the exception of 1964, all Proof Kennedy half dollars will have a "S" mintmark. They also have a mirror like finish on them.
The mintage data for US Lincoln cents dated 2001 is: 13,519,196,000 this includes Proof coins.
Their are a few answers. For pennies no mint mark means Philadelphia or for proof pennies which are only in proof sets S means San Francisco.
1980-S pennies were only issued in proof sets. At a minimum, they are worth about 75 cents. The highest grade proof condition pennies are worth $4.00 and up.
Pennies from 1982 and before were all copper
No they are not.
The year was 1974 for circulating coins. Proof coins still have the "S" mint mark. Technically speaking, the United States never issued "pennies" - unlike Great Britain, they are referred to as "cents."
2009 pennies were made in mass productions. Currently a 2009 penny is only worth a penny unless it is a proof. If it is a proof it will have the mintmark "S" below the date.
8-3-11>>> Current mintage data for the 1975-S Lincoln cent shows 2,845,450 coins were struck.
2010 Proof sets are currently available from the Royal Mint.
The mintage of the 1968-S Lincoln cent is the lowest memorial reverse coin at 258,270,001 Business strikes and 3,041,506 Proof coins.
They don't, the only mint marks used on 1 cent coins is still a D or S (proof only)
Proof pennies are only made at San Francisco. It's not a proof. It is just a penny worth a penny.
The mint will not have the information until 2009 is over. They are still minting the 2009 Silver Eagle.