Not much. copper is currently at $4.32 a pound, and there are about 14.4 troy ounces in a pound, which means your troy ounce is worth about 30 cents.
It varies depending on the rate of silver value. There is little to no collector value, so it is worth the bullion value of one ounce of silver.
The bullion value of a US $2.50 would be about $60 with gold trading for $1000 per troy ounce.
1 troy ounce. They are known as silver eagles and have the bullion value on the back.
31.1 in an American ounce. There is no American ounce. There is the Avoirdupois ounce which is 28.35 grams and the troy ounce which is 31.10g used for quantifying gold and silver bullion.
If it's a 999-fine silver bullion, it would be worth approximately the spot price of silver or around $13.
As of 23 February 2016, silver is worth $15.24 per troy ounce.
1977 1 rand springbok coin value
It's not really from 1799. The "one troy ounce" is a giveaway that it's a modern bullion coin, worth slightly more than whatever the current spot price of silver is.
What you have is a piece of silver bullion made by a private silver company. Its value is whatever the value of an ounce of silver is. As of October 18, 2007, silver was $13.85 per troy ounce. You can check the current spot price of silver at Kitco.com: http://kitco.com A dealer will usually buy these bullion pieces at about 90% of the melt value, and sell them at about 110% of the melt value, as they have to make a profit in order to stay in business. At $13.85/oz, expect to get about $12.50 for it, and expect a scrupulous dealer to charge no more than $15 for the same piece.
Whatever someone is willing to pay for it.
It's not a coin, it's a bullion piece or "round". Its value is tied to the spot price of silver, currently about $12-$13 per ounce.
Precious metals in bulk form are known as bullion, and are traded on commodity markets. Bullion metals may be cast into ingots, or minted into coins. The defining attribute of bullion is that it is valued by its mass and purity rather than by a face value as money. Many nations mint bullion coins, of which the most famous is probably the gold South African Krugerrand. Although nominally issued as legal tender, these coins' face value as currency is far below that of their value as bullion. For instance, the United States mints a gold bullion coin (the Gold Eagle) at a face value of $50 containing 1 troy ounce (31.1035 g) of gold