The definition of "old" as applied to collectible coins would vary depending on who you ask.
In my personal opinion, a coin may be considered to be "old" at about 100 years.
These days, circulating coins are minted with the intention of them lasting for 40 to 50 years in usable and identifiable condition.
a coin collector
yuan is the coin and currancy is yen
As of 2013, the coin is 33 years old, which is not very old for a coin.
look at the date on the coin.
the Sou (alternate spelling 'sol') was an old French coin.
You could sell them at a coin store, eBay, or bring them to a coin show. And find out what there worth.
; numismatism :
They are called "kronor".
A mint.
A loonie.
Old French coins would be called Francs. now the currency of money there is called Eros, but very old French coins were called Francs. Singular is Franc. Plural is Francs.
A five cent coin is generally called a nickel.