It would depend on the coin's silver content. It is usually displayed as a tag that reads "Ley 999" or "Ley 995" engraved on the coin.
A "Ley 999" coin would have 99.9% of pure silver, so its price would be around 20 US dollars (Aug 2016).
i have a coin = 1992-1993 50p coin with certificate of authenticity =
It depends on condition. One 'plata libertad' coin like you just described would be worth up to US$34.00
$60-80
If it's from Mexico it's not worth much, I'm afraid. Mexico's currency was devalued by high inflation so in 1993 new coins and bills were exchanged for old ones at the ratio of 1000 old pesos to 1 new. Thus your coin is only worth one new peso, or about a dime at current exchange rates.
The 1993 5 coin proof set sells for about $7.
The 1993 Bangko ng Pilipinas 1 piso coin is typically worth its face value as it is a circulating coin. However, if the coin is in mint condition or part of a collector's set, it may be worth slightly more to a collector. It's best to check with a reputable coin dealer for an accurate valuation.
The "1N" on a Mexican coin indicates its denomination, specifically that it is worth one peso. The "N" stands for "nuevo," distinguishing it from the old peso system that was replaced in 1993. This symbol signifies that the coin is part of the modern currency system used in Mexico today.
The cost of a 1935 Mexico 2 centavos can be different prices. It all depends on the shape the coin is in.
How much is this coin worth
You didn't provide the denomination, but if it's from circulation it's probably not worth very much. Mexico revalued its currency in 1993 due to rampant inflation and removed the older issues from circulation.
The limited edition riviera 1993 coin is worth $10.
There is one on Ebay for $3.00. The composition of this coin is copper and nickel.