1 onza plata pura 1983 ley 999 is it worth anything?

A 1 onza plata pura 1983 ley 999 refers to a 1-ounce pure silver coin minted in 1983 with a fineness of 999, meaning it is 99.9% pure silver. The value of such a coin would depend on various factors such as its condition, rarity, and current market demand for silver coins. Generally speaking, silver coins like this can have both intrinsic (metal value) and collector value, so it is advisable to consult with a numismatist or precious metals expert for an accurate valuation.