This is a Swiss coin. Switzerland's official latin name "Confoederatio Helvetica" goes back to a Celtic tribe called the Helvetians. CONFOEDERATIO HELVETICA -SWITZERLAND 10 RAPPEN 1939 - catalog value is about $11 USD.
You are asking about a 10 Rappen coin from Switzerland (KM#27). The coin weighs 3.000 grams, measures 19.1 mm in diameter, and is made of Copper-Nickel. The obverse (front) bears an image of a bust of Helvetia (the personification of Switzerland, much like "Uncle Sam" is the personification of the United States) facing right, with the words Confoederatio Helvetica (Latin for the "Swiss Confederation") above and "1982" below. The reverse (Back) has a large "10" within a wreath. 50,110,000 such coins were produced in 1982 for circulation, and another 10,000 in Proof for collectors.
According to the Standard Catalog of World Coins, an example is worth face value (roughly US$0.10) in circulated condition, US$0.50 in Uncirculated condition, and US$1.00 in Brilliant Uncirculated condition, and US$4.00 in Proof.
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Note that your coin is from Switzerland; Confederatio Helvetica is the Latinized name of that country.
It's from Switzerland ("Helvetia" in a Swiss dialect). Assuming you have a circulation coin it would only be worth face value.
"Confoederatio Helvetica" is the Latin name for Switzerland. Your coin is not unusual and has an exchange value of about $1.10 as of 09/2012
1979 january 15 1979
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