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.
The letter "D" is the mint mark for the US Mint in Denver, Colorado.
No, no genuine Indian Head penny is stamped "COPY" on the reverse, or obverse. All such examples are replicas containing no collector value. The only value that such coins have is the value of what they are made out of.
No. Only if it was made at the Denver or San Francisco mint.
Denver is a city in Colorado, and that is where the Denver mint is located.
Yes, I have a 1954 Lincoln Wheat penny in my hand and it's minted with a D.
These coins were made from normal pennies that were stamped with the state images. These were usually mounted on a colorful board and sold as a novelty item. I have seen the boards, with all the pennies mounted, sell for as much as $50. Without the board, I would estimate their value to be maybe $10
If the coin has the mintmark D then it would be below the date on wheat pennies, memorial cents, and the current design. The D means it was made at the Denver mint facility.
The US never made silver pennies. In 1943 the US made steel pennies. These are often mistaken for silver pennies.
Only if you have the other 49 pennies in the set.
Two pennies stamped from the national mint, indistinguishable from each other.
Pennies today are made of 97.5% zinc and 2.5% copper.
during the coin making process a pennies where made due to malfunction of machinery. The pennies showed Abraham Lincoln's face twice. These pennies are known as "the kissing Lincoln penny"