Coins rarely if ever have spelling errors and they're generally not referred to as "typos" because coin designs are engraved.
There may be engraving errors but that is extremely unlikely given the level of quality control on most modern coins. Please use the Discussion Area of this question to post a more complete explanation of what you're referring to.
How much an 1883 Confoederatio Helvetica Rappen is worth depends on its condition. The typical value of such a coin is 12 US dollars.
4 dollars
10~20$
"Confoederatio Helvetica" is the Latin name for Switzerland. Your coin is not unusual and has an exchange value of about $1.10 as of 09/2012
The value of this Swiss coin depends on its circulation condition. It can range in value from 5 dollars to 30 dollars.
It is likely worth a good deal, but that depends on the condition of the coin, and whether or not its authenticity can be proven.
less than a dollar
You have a coin from Switzerland (The Helvetian Confederation, to the Swiss). Anything that new is almost certainly only worth face value. You didn't state the coin's denomination - an important piece of information - but exchange rates in early 2010 have been in the range of CHF 1 = US$ 0.90
One of these sold in an internet auction for $12.
You didn't indicate the coin's date, but assuming it's a recent coin you Swiss 5-franc piece only worth its exchange value of about $4.30 U.S.
The value of a Confoederatio Helvetica 10 coin, which represents a 10 Swiss franc piece, can vary depending on factors such as its condition, year of minting, and market demand. As of my last update, the coin typically circulates at its face value of 10 Swiss francs, but collectible or uncirculated versions may be worth more. For the most accurate and current valuation, checking a reputable coin dealer or numismatic website is advisable.
78,000The value