It depends on what you call mis-stamped, please be more specific and post new question.
From the Philadelphia mint it has a value from $30 to $2,000 depending on the condition of the coin. From the New Orleans mint it has a value from $70 to $33,000 depending upon the condition of the coin.
Unless it's a high grade Mint state coin the value is about $4.50 for the silver in it, If it is a mint state coin value is $5.00-$7.00
Error coins need to be seen. Take to a coin dealer.
A uncirculated coin has a retail value of $485.00-$505.00
A Mint issued uncirculated coin set has a current value of $8.00.
More information is needed - a description of the suspected error, the coin's condition and its mint mark (if visible). Also, to explain terminology, coins are said to be struck or minted. The term "stamping" is used to describe the production of things like spoons and car fenders. Not sure why there's a distinction, there just is ;=)
You will need to provide to me the coin's denomination, its mint mark, and its mint condition in order for me to relay its worth to you.
For me to relay to you the value of a coin, I will need to know the following: 1. the year in which the coin was minted 2. the mint mark and 3. the mint state.
The world coin that has the largest ratio of size per monetary value is the Canadian mint $1,000,000 coin. The Canadian mint $1,000,000 coin weighs 100 kilograms.
if coin is not in case (mint set), It is only worth Face value if coin is in case (mint set), it can be worth up to $4.00 Mint Set = untouched coin in a case.
The monetary value of a mint coin depends on various factors, including the denomination of the coin, its age, rarity, condition, and demand among collectors. Some mint coins can be worth more than their face value due to their collectible status, while others may be worth the same or less. It is advisable to consult a reputable coin dealer or collector to get an accurate assessment of the specific coin's value.
This is an American Eagle 1 once gold coin that carries a face value of $20.00. It was minted at West Point - therefore, the coin carries the mint mark "W." If the coin is in a mint state of MS65, its value is: $980.00; if the coin is in a proof state (PF65), the value rises to: $ 1080.