It does not have to be old at all.
An error in the minting of a coin may make it rare. What may turn out to be a rare coin may have been minted in 2012, but nobody has found it and come forward with it yet.
They are not rare.
Rare Coin Wholesalers was created in 1990.
the oldest Canadian is 119 years old and died 11 years ago! 1812 a very very very rare coin that is the oldest coin in Canada
You can buy them at coin dealers and coin shows.
Just the year does not make a coin rare.
No, they are not rare.
It means that the coin is rare. For example a 1909-S VDB cent is a key date. This coin is rare.
No.
Determine how many were minted, when and where and the numismatic grade and, last but not least, the availability of the coin for purchase
No and they will never be rare.
I'm no coin expert, but it is either rare, or worthless.
It's still worth 5 cents. It may be an old coin, but it's not rare or valuable.