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 need to provide more information. Is it a bullion piece? If so, how much silver is in it? What country or company issued it?
About $5.50 for scrap silver. It is a common coin worth no more than bullion content.
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.
Only if the plastic is made out of gold.
It depends on if the coins are proof, uncirculated or bullion. How many coins in the set? Mintmarks? Grade? Post new question with more information.
There are some websites where you can find some information on silver sandals and these websites are The Find and Manoloblahnikscheapsale. Another site that may be worth looking into is Kohl's.
"Silver eagles" are modern bullion coins minted since 1986 and sold to investors and collectors. If you turn the coin over you'll find that it's a half dollar - it was minted for use in ordinary commerce at the time, and was only worth 50 cents when first made. Today, the value of silver has gone up many times so it's worth more for its silver value or as a collectible. See the Related Question for more information.
Because they mostly have a collectible value.
A Silver Eagle Bullion coin is 99.9% pure silver and weighs 1 oz per coin. The stamped value of the coin is U.S$1 however the intrinsic value of the coin is the value of the silver within that coin. If the the spot price of silver was $30oz at the time of checking, then the value of that coin would be worth at least $30 or more.
More information is needed. Is it a bullion piece with the weight in ounces on the back? Is it a very worn U.S. coin from the years before 1965 when dimes, etc. contained silver? Please post a new question with more details.
The best place to find out information on silver sapphire rings would be a jewelry store. Most stores will be able to help you pick the one you like best.