http://www.apmex.com/ This website offers the information you are looking for.
You can read more about that at apmex.com
www.apmex.com is a leading website for those interested in learning more about silver bullion.
You can find advice on buying silver bullion on sites for trading and buying gold and silver. Some advice found is when buying silver bullion, look for a good price and wait until silver is low to buy. Buying low and selling high is some of the best advice.
You can buy silver bullion online at a site called JM Buillon. Other sites which offer silver bullion online are Independence Bullion, Apmex and Providenmetals.
There are several silver bullion coins that prominently display the term "silver bullion" on them. Examples include the Silver Bullion Coin from the Royal Canadian Mint, which features the words "SILVER BULLION" along with a maple leaf design. Another well-known option is the American Silver Eagle coin, widely recognized as a popular silver bullion investment. While not explicitly labeled as "silver bullion," its one troy ounce of .999 fine silver content makes it a sought-after investment choice. Keep in mind that there are other silver coins available for bullion investment, even if they don't have the specific term "silver bullion" on them. These coins typically have high silver purity and are widely accepted in the precious metals market.
Here's a great site for buying a silver bullion: www.bulliondirect.com/
A roll of 20 silver bullion costs about $500.
There are various chemical (and other) ways to test the purity of silver... however, you wouldn't want to do this for bullion as it could diminish the value. Legitimate silver bullion will be marked ".999 Fine" and will have information such as the mint or maker. Stick with well known brands such as Englehard or Johnson-Matthey if possible.
Bullion of gold or bullion of silver. in other words, gold ingots and silver ingots
You need to provide more information. Is it a bullion piece? If so, how much silver is in it? What country or company issued it?
The average selling price for silver bullion in 1985 was $6.31.
Silver bullion is privately manufactured silver in silver rounds or bars. Silver bullion is typically purchased at a lower premium than silver coins, and its value closely tracks the spot price of silver. There is so many coin dealer like Apmex, JM bullion, SD bullion, etc. this dealer gives more discount. In Mar 2022, I purchased a 1 Oz silver round which is good.