Copper-nickel
The one that is not a 10p is a 20p. The other coin is a 10p. The question/riddle does not say that neither coin is a 10p, only that one of them is not.
10pence
10pence
3-4$
Indian coin is made of stainless steel.
the coin is made up of aluminum bronze its a coin that is no more it was only made till 2002
the first mercury coin was made in 1916.
the first coin made was from lydian and had a symbol of a tiger that was made by the kings of the jungles (King Alyattes) in turkey the coin was made out of gold and silver
That means it is a novelty coin. These are not made by the US mint. They are made by private mints for shops as a token or toy.
This depends on what the coin is made of. If it is made of silver or gold it will be worth more than if it was made of copper or zinc.
1903 is the year the coin was minted (made)
The penny coin which was worth a cent