The term "Confederate Helvetica 1988 coin" seems to be a mix of different references, as there is no widely recognized coin by that name or description. Confederate coins typically refer to currency used during the American Civil War, while Helvetica is a typeface and not related to numismatics. If you meant a specific coin or item, please provide more details for accurate information.
(about) 78,000
How much an 1883 Confoederatio Helvetica Rappen is worth depends on its condition. The typical value of such a coin is 12 US dollars.
The value of this Swiss coin depends on its circulation condition. It can range in value from 5 dollars to 30 dollars.
"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
$1.00 us money
$5.00 this unit of currency is incredibly common.
You have a coin from Switzerland (The Helvetian Confederation, to the Swiss). Anything that new is almost certainly only worth face value. You didn't state the coin's denomination - an important piece of information - but exchange rates in early 2010 have been in the range of CHF 1 = US$ 0.90
less than a dollar
The value of a 1944 Confederation Helvetica coin can vary depending on its condition, rarity, and silver content. In general, these coins can range in value from a few dollars to potentially over $50 for well-preserved examples. It is recommended to have the coin appraised by a professional or check recent auctions to determine its specific value.
One of these sold in an internet auction for $12.
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.
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.