There's no guarantee for it, but the idea is that you can hope to find silver dimes, quarters, or half-dollars in bank rolls. Half-dollars are supposedly the preferred coin, because while silver dimes and quarters were discontinued after 1964, halves still had silver until 1970.
If you are talking about a US coin, you have to go to the US mint website to buy silver coins. Banks don't sell silver coins. They don't distribute them either.
it is illegal in Mexico to take coins to other countries
Coins struck for circulation in the US today have no silver in them.
1837 was the year US silver coins changed to .900 silver & .100 copper, that caused a slight reduction of silver.
No current circulating US coins contain any silver at all. For information about older coins, please see the Related Question.
The US Mint did not issue any silver coins of any kind in 1980. If you have silver coins dated 1980, they are not US coins.
US Coins go from the Mint to one of 12 Federal Reserve Banks and then to local banks were they are released into circulation.
The Balboa is the same as the US dollar. We know that US silver dollars is worth more as the Panama silver Palboa. In Panama the currency is US but there are Balboa dollar coins. Also, the silver coins in Panama are the same size as the US coins and would be worth more as the US silver coins.
It was 1964 when the last coins in the US were made from 90% silver.
Silver coins can be purchased from a number of places in the US. You can purchase silver coins directly from the United States Mint, and most cities contain many stores for buying and selling silver and gold coins.
Yes.
After being minted, coins are sent through to banks throughout the USA.