Platinum metal looks like silver but is heavier than a coin. Platinum is equivalent in color to silver. The platinum is also heavier than the silver itself.
silver
The US has Never made a silver one cent coin, it may have been plated or just looks like silver but it's not silver. The coin has no collectible value at all.
yes, dental silver is mixed with something to make it harder.
Metal value depends on the purity of the silver and the weight of the coin. Numismatic value depends on the condition of the coin.
coin
The coin is 90% silver & 10% copper.
Proof coins can be struck in any metal. If the coin is made from silver or any other precious metal, it will say so on the packaging it came in and, it will probably state the purity and weight on the coin. Alternatively, if the coin is made from a base metal, it may be silver plated. This should also be stated on the packaging.
903 fine silver (90.3% silver, 9.7% copper).
Silver is a not magnetic metal - the most highly magnetic metal is iron - so no unless the cores of the coins are iron
it looks like a silver coin with 100 on it
It looks like the coin in the related link:
The value of a silver coin is always changing because the value of silver is always changing. See the related link below for a silver coin value calculator. This does not give the actual value of the coin but it does give the value of the metal used to make the coin. This is know as the melt value.