one cent
Neither of these are considered rare.
Steel cents were only made in 1943. Your coin is plated. It is considered an altered coin and is worth a penny.
An unprinted penny has no monetary value as it has not been issued by the government or minted with any denomination. It would just be considered a blank piece of metal.
This is considered an "error coin" and is rare. Depending on the "eye appeal", rarity and significance of the error, the penny may be moderately valuable.
"Strawberry Fields Forever" was the flip side of "Penny Lane". The single was considered a double A-side, but "Penny Lane" got more attention.
Penny Red is from Australia and is considered a favorite among stamp collectors around the world. With it's distinctive design and red color it is very recognizable.
The myth is "If you pick up a penny heads up, you will have good luck. If you pick up a penny tails up, you will have the exact opposite."
It's copper. &Copper is metal. So yeah.
It's almost certainly an ordinary penny that was plated with a silver-colored metal. In that case it's considered to be damaged coin worth 1 cent.
Plated coins are considered to be altered pieces. There were over 800 million 1958-D cents minted so anything that's been damaged is only worth a penny.
A 1978 Lincoln-Kennedy penny is not considered rare or valuable to collectors and is typically worth face value. A 1946 wheat penny in circulated condition is worth around 10-20 cents, while one in uncirculated condition could be worth a few dollars.
A currency from a country in which you don't reside. For instance, to an American, a peso would be considered foreign currency. To a Mexican, a penny would be considered foreign currency.