Some people in America collect Japanese coins, but the values depend on the age, and whether the coins are silver.
Please be more specific, a lot of different colonial coins were made and values depend on the year and type of coin.
There are a few websites that have the values of old coins listed. Some of those websites include CoinTrackers, Coinquest, The Old Coin Shop and Coin Values Online.
The 1906 Indian Head cent is a common coin. Average coins have values of $1.00-$3.00 depending on the grade.
Values of silver coins are not to be ignored. There are some websites providing the values of these coins but it's best to check the "CDN". The Coin Dealer Newsletter, which is printed on grey paper stock, and comes out weekly. As a tip don't sell a $1000 coin for $200.
There is a premium on silver coins. You can find values by contacting you coin dealer or online.
You can find updated coin values at cointrackers, it will give you the retail prices. There is also a coin value guide you can check the value and what dealer you can use to sell coins.
A coin dealer can do it. Many coin collectors keep up with coin values and could also give you an estimated value.
Assuming no mint marks on either coin and both are circulated, retail values for the $1 dollar coin are $126.00 to $262.00 and for the $3 dollar coin 1854 is the first year of issue and values run from $360.00 to $920.00 but all values depend on the grade of the coins, all so $1 and $3 dollar gold coins are known to be used as jewelery pieces an this effects the values greatly. I suggest having the coins graded by a collector or dealer for a more accurate value.
There are 2 types of 3 cent coins dated 1868, a small silver coin and dime sized nickel coin. Retail values for the silver coins are $400.00 in VF-20 to $500.00 in AU-50 Values of the nickel coins are $25.00 in VF-20 to $55.00 in AU-50
With out seeing the coin or having a grade to work with. Retail values are $178.00 to $294.00 for circulated coins. Mint state coins start at$414.00
Circulated coins have retail values of $166.00-$300.00 depending on the grade of the coin.
There many places where one can find information on US coin values. One can find this information from online websites such as Coin Study. One may also be able to get an idea on US coin values by viewing US coins on eBay.