It just means it's from Switzerland.
Switzerland has four national languages, so to avoid having to pick favorites the country's official name is given in a separate dialect based on Latin. The Latin name translates to Helvetia in English, so the coin in that dialect says "Helvetian Confederation".
You are asking about a 10 Rappen coin from Switzerland (KM#27). The coin is 19.1mm in diameter, weighs 3.00 grams and is composed of copper-nickel. The obverse (front) bears an image of a crowned head with the date below and the words "CONFOEDERATIO HELVETICA" (Latin for the "Swiss Confederation") around the border. The reverse (back) of the coin has a number "10" within a wreath. 10,040,000 of these coins were produced in 1958, all at the Bern mint.
According to the Standard Catalog of World Coins, an example is worth US$0.35 in Very Fine condition, US$0.70 in Extremely Fine condition, US$7.00 in Uncirculated condition, and US$15.00 in Brilliant Uncirculated condition.
"Confoederatio Helvetica" is the official name of Switzerland.
Up till 1967, silver was used in Swiss coins with values of 1/2 franc (50 centimes) up to 5 francs. All lower denominations, and all Swiss coins since 1967, are made of base metals - either cupronickel or aluminium-bronze.
To determine the exact value of a coin of a Confederatio Helvetica 20 B 1913 a couple different things would need to be taken into consideration. Most importantly, the condition of the coin.
10~20$
This is a coin from Switzerland. Is it 10 rappen or 10 franc? This is an important difference. As with all coins, the condition is very important. A flawless coin will be the most valuable, and any signs of wear on the coin will lower the value.
You are asking about a 10 Rappen coin from Switzerland (KM#27). The coin is made of Copper-Nickel, is about the same size as a US nickel, and has a plain edge. The front has a bust of Helvetia, the symbol of Switzerland, facing right, with the words "CONFOEDERATIO HELVETICA" (Latin for the "Swiss Confederation") around it and the date below. The back has a large "10" within a wreath. The coin was retired from legal tender status as of January 1, 2004, and removed from circulation. 3,000,000 were produced in 1884. According to the Standard Catalog of World Coins, an example is worth US$1.00 in Fine condition, US$3.50 in Very Fine condition, US$9.00 in Extremely Fine condition, US$35.00 in Uncirculated condition, and US$75.00 in Brilliant Uncirculated condition.
The year on the Swiss Franc coin says nothing about the value but about the date when the coin was fabricated. Check out the number on the coin to see how much it's worth. You have the smallest piece (5 Rappen) going up to pieces of 10, 20 and 50 Rappen (100 Rappen = 1 Franc) , 1, 2 and 5 Swiss Franc coins.
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.
This is a 102-year old coin from Switzerland. Value depends on denomination and condition. Possible denominations are 5, 10 or 20 Rappen (back of coin has just a number), or 1/2, 1, 2, 5 or 20 Francs (all of which are silver, except for the 20 Franc which is gold). No 10 Franc coins were minted in 1907.
The coin you are referring to is from Switzerland ("Confoederatio Helvetica" is Latin for "Swiss Confederation"), you haven't identified the denomination or the condition of the coin. Switzerland produced coins for 1, 2, 5, 10 and 20 Rappen in 1938, but not the usual 1/2 Franc, Franc, 2 Franc and 5 Franc coins (although very valuable patterns of the 1 and 2 Franc coins were produced). Depending on denomination and condition of your coin, it could be worth between a few cents and perhaps $20.
Such a coin does not exist. The 10 pence coin was first issued in 1968.
The U.S. did not produce a $10 gold coin dated 1958. The last year was 1933. Look at the coin again and post new question.
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 "1949" below. The reverse (Back) has a large "10" within a wreath. 2,269,000 such coins were produced in 1949. According to the Standard Catalog of World Coins, an example is worth US$0.50 in Very Fine condition, US$1.00 in Extremely Fine condition, US$30.00 in Uncirculated condition, and US$50.00 in Brilliant Uncirculated condition.
You are talking about a 1962 Swiss, copper-nickel 10 Rappen coin, also called "10 centimes in the French speaking part of the country. The coin is worth just that - 10 Rappen, which is about 10 US cents, because the coin is still in circulation and we often get these small change coins with dates from the 60's onwards in our change. The only rare or more valuable ones are those from the 1800s or earlier which had a different motif on the coin. You are talking about a 1962 Swiss, copper-nickel 10 Rappen coin, also called "10 centimes in the French speaking part of the country. The coin is worth just that - 10 Rappen, which is about 10 US cents, because the coin is still in circulation and we often get these small change coins with dates from the 60's onwards in our change. The only rare or more valuable ones are those from the 1800s or earlier which had a different motif on the coin.