Any Irish coins between 1971 and 2001 are still easily found in Ireland, and many people who would have travelled to Ireland in that time are likely to have them too. So they have very little value as a collector's item and their monetary value would not be very high either.
Eire 1974
1
A dollar is worth 100 cents.
It's worth one dollar.
The name is Sacagawea, and the coin is worth one dollar.
One dollar.
One cent
5 cents
The coin is from iceland and it's worth about $0.25 in very fine condition
1971 dated halves are still in circulation today. The coin is made of copper-nickel, not silver, and is only worth face value.
Australia does not have a "quarter" coin.
Currently they're worth 13 dollars.
$1 to $4500 depending upon the mint mark and the condition of the coin.