Coin USA specializes in rare and unique currency from the United States. They can grade a coin and put a value on what it is worth. Coins graded the highest are worth the most.
The value of a 5 pybnen coin in US dollars can vary based on factors such as demand, rarity, and market conditions. If the coin is a collectible or part of a specific currency system, its worth may differ from its face value. To determine its current value, it's best to check with coin dealers or online marketplaces that specialize in currency valuation.
There are many gold dealers that specialize in gold coins for sale. If someone is looking for a gold coin at a good price you can look on auction sites such as eBay or a reputable dealer such as Midas Resources.
A two cent US coin is larger in size than a ten cent US coin.
The word "specialise" is the British English spelling of "specialize" (US spelling).
They never have. If your coin has a hole and is a US coin then someone drilled it in. It was not done at a US mint.
Sacagawea is on the US $1 coin.
The first US dollar coin was made in 1794.
You are probably thinking of an "error coin". This coin is any coin which does not meet the standards of the US Mint or has a flaw in its design or manufacture.
Harriet Tubman has never been on a US Mint Coin.
...Of what US coin? There have been several US coins intended for circulation ranging from half a cent to $20.
Take it to a coin shop. They will tell you if it is real or not.
Please be more specific which coin?