South American Coins

A 3 cent piece has III on reverse. It is the same size as a dime 17.9mm. An 1866 with a star on obverse will bring a nice amount of $$$ depending on condition.

Assuming that you are referring to the commonly circulated 1987 100 peso coin (made of aluminum bronze - it sort of looks like brass), it is worth about US$0.60 in nice circulated condition and about US$3.00 in Brilliant Uncirculated condition. If you are referring to the 72% silver 100 peso coin issued to commemorate the World Wildlife Federation (with Monarch Butterflies on the back), it is worth about US$50.00 in Proof condition, and has about 0.75 troy ounces of silver (which has a melt value of around US$10 as of the end of February 2009).

The coin is just a common Lincoln cent, spend it.

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There were proof sets made in 1974 and 1975 where all 8 of the coins were silver, and proof sets made during those years when none of them were silver. Assuming that your coins are in a set, check the 1 Cent coin - if it looks silver, then all the coins in the set are silver; if it looks bronze, then none of the coins in the set are silver.

Specialties of the Republican agency include, but are not limited to: judges not inventing new rights and powers, accepting that America does have a monetary crisis and that it needs to be adressed, and faith that the private sector can find and create jobs.

Like any other gold plate over a base metal, whatever you can get. However based on current conditions, not much. But when the value of the dollar drops, they might make a good item to barter with.

It is 30

Occasionally old silver U.S. dimes, quarters, and half dollars show up, but most have been pulled from circulation by collectors. Silver coins are seen less frequently in other countries that have redesigned coins since removing silver.

General Lee started started meeting with General Grant to negotiate terms of surrendering the civil war.

this rare u.s. coin is worth however much a man will pay for it

Generally not.

A Quetzal in (Guatemala,etc.) it's one Quetzal in America it's 0.125

There are many old Chinese coins that have a square hole in them. These coins could date back 2400 years ago.

$3.18

$18 to $6500 depending upon the mint mark and the condition of the coin.

These are often found in circulated condition in coin dealers' misc. foreign coin bins for 25 cents.

Assuming that you are referring to a 20 Peso gold coin from Mexico dated 1959, it is most likely that you have a restrike (only 13,000 were produced in 1959, but over 1,000,000 - dated 1959 - were produced in the decade that followed). It would appear that it has little value over the gold value, which is about US$453 as of the end of July 2009 (the coin contains 0.4822 troy ounces of gold). If it is in uncirculated condition, you should see a coin dealer (preferably one who specializes in Mexican coins), as there may be a premium over the gold value.

That is 'kopeck' in Russian (Cyrillic).

It's worth 3 to 7 Dollars.

The value of a 1983 Elizabeth Currier gold 10 piece can vary significantly based on its condition, rarity, and current market demand for gold coins. Generally, such coins are valued based on their gold content and collectible interest, often ranging from a few hundred to several thousand dollars. For an accurate appraisal, it's best to consult a professional coin dealer or appraiser who specializes in collectible coins.

Not who, but WHAT. It's a quarter of a Balboa, the unit of currency in Panama. Assuming it has a recent date its value is linked to the US dollar so it's worth 25 cents.