If you got the coins in your change, they are worth whatever is inscribed on them.
The Royal Mint produces many different commemorative coins each year. Some are identical to the general circulation coins, but are packaged as "Mint Uncirculated" or "Proof" coins and are usually issued in year sets. As long as these coins remain in their original packaging, they are worth more than face value.
Other coins are minted from precious metals and will be worth at least the bullion value of the precious metal, plus some. As long as these coins remain in their original packaging, they are worth a lot more than face value.
Bicentennial coins were struck to commemorate the 200th anniversary of the founding of the USA. The values of these coins depends upon the denomination and the year it was minted.
British gold coins of that era did not have values marked on them. The only way to tell the value of such a coin is by it's size.
To commemorate, celebrate or remember a specific event or person in the country of issue.
Some people in America collect Japanese coins, but the values depend on the age, and whether the coins are silver.
In general coins have higher values.
If you want to find out about the values of coins then there are a couple of things you can do to find out. One way is to visit a store that deals with antiques and old stuff and see if they will value your coins. Another way is to visit one of the following websites "CoinsdotAbout" or "coinstudy" both have information and values on many different coins.
Yes, in general Mint State coins do have higher values.
Two Euro. The coins were issued in all euro zone countries to commemorate the tenth year of monetary union. there are 90 million of these coins in circulation
only coins that are made of poopoo
Values are $14.00-$22.00 for circulated coins depending on the grade
That is far too broad a question to be answered here. The Isle of Man section of the World Coins catalogue devotes about 60 pages to Isle of Man coins, the majority of which are Proof.
These coins are called Peace dollars. They were struck to commemorate the end of WWI and have the word PEACE on the reverse.