PF is short for proof, which refers to a specialized minting process that gives the coin an extra detailed and shinier appearance. They're sold to collectors, and not used in general circulation. Then the number 69 is the rating on a scale of 1-70, where 1 is barely identifiable and 70 is absolutely flawless.
A 1993 American eagle Bullion Silver Dollar in MS69 condition is worth: $ 50; if its mint state is PF69, the value is: $275.
Mint state means a coin in the same condition as it was when released by the mint that struck it.
Mint state means: no wear at all, the condition is as it came from the mint.
You're referring to MINT MARK - please see the Related question for more. "Mint state" describes a coin in brand-new condition, just as it came from the mint.
pf means proof! and 69 is the grade. grade from 1-70.
If I understand the question, the term "Mint state" refers to the uncirculated grade of a coin, not one of the United States
"Mint state" describes the condition of the coin, meaning that it's never been used in circulation.
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.
Delaware
mint mark is to the left of the value on the reverse.
A typical Mint State coin is about $50.00
at the US mint