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Striking a coin is, in some ways, much like printing. Instead of having a galley of type and a platen against which it strikes, there is a lower die and an upper die, made of steel and shaped in the reverse of what the coin will look like (sort of like two negatives in Photography). The blank coin, called a planchet, is fed into the lower part of the machine (call it a press because that is really what it is, and the upper part comes down and strikes the planchet, causing it to be forcible squeezed between the two dies (under some very great pressure) and the planchet is molded into the struck coin by this pressure. When the upper die lifts, a mechanism in the lower plate pushes the coin out and a new planchet is slid into the inset and is ready for the next decent of the upper die. Most coins (and tokens and medals) are single struck, but often times there is a double strike, which yields a much sharper set of images in the planchet. Double-struck coins are favored by collectors for their brilliance and clarity of the images.
What else can I help you with?
What does it mean when a coin has no letter?
If you mean no mintmark, it was struck in Philadelphia.
Does d on any coin mean it was minted in Delaware?
No the "D" stands for Denver Colorado that's were the coin was struck
What does the letter O on a coin mean?
It means it was struck at the New Orleans Mint.
What does it mean when a coin is struck in solid 24 carat pure gold?
The term "struck", when referring to coins, means the making of the coin. The blank planchet (the round blank disc which will become the coin) is struck (pressed) between the dies and the coin is made.
What does pl mean in coin grading?
"PL" in coin grading means "prooflike". It is used to describe a coin that has mirror fields and fine details resembling a proof struck coin but is not a true proof.
What does doubled die mean in coins?
We might call a doubled die coin "double struck" because it was "minted" twice with the same die. This results in a minting error. A date or part of the design can be "repeated" on a coin thus minted. A coin that escapes the quality control screening and makes it out into circulation can be worth some bucks. A link is provided to the Wikipedia article, below. If a coin is a double die as a result of the die itself having an inconsistency it is worth far more than a coin that was simply struck twice.
What does doubling in coins mean?
We might call a doubled die coin "double struck" because it was "minted" twice with the same die. This results in a minting error. A date or part of the design can be "repeated" on a coin thus minted. A coin that escapes the quality control screening and makes it out into circulation can be worth some bucks. A link is provided to the Wikipedia article, below. If a coin is a double die as a result of the die itself having an inconsistency it is worth far more than a coin that was simply struck twice.
1986 d mis-struck penny?
It depends on what you mean by mis-struck. Take it to a dealer or collector, the coin needs to be seen for an assessment.
What does the letter mean on a coin?
The letter is known as the mint-mark and tells where the coin was made. A coin having a P mint-mark (or no mint-mark on some coins) was made in Philadelphia, a coin having an S Mint-mark was minted in San Fransisco, a coin with a D mint-mark was minted in Denver.
What does mint state mean?
Mint state means a coin in the same condition as it was when released by the mint that struck it.
If a coin is stamped with copy AC 1093 on the back what does that mean?
It means the coin was not issued by the U.S. Mint and is just a copy having no monetary value.
What is mint condition coin?
Mint condition, Mint State, & Uncirculated all mean the same thing. Unused, no wear, as in the same condition as from the Mint when the coin was struck.
