1¢
It wasn't struck that way at the mint. Someone used a metal punch to add those numbers later. That makes it a damaged coin and it has lost any collector value.
In any case you haven't lost much, because 1941 is a common date among penny collectors. Undamaged but circulated, the coin would have been worth a few cents to a quarter depending on how worn it is.
Numbers stamped on the sides denotes the number of gallons each would hold
This is a novelty coin not made by the US mint and has no collectible value.
Tin can, penny, ect.
A two-headed penny.
A fake.
They cost about $8.95 at novelty shops. Look at it with an 8X magnifier and you should be able to find the seam where one coin was hollowed out and another ground down to fit inside.
$14,500
A hexagon has 6 sides, and a pentagon has 5 sides. Thus, if you were to multiply the number of sides of a hexagon with the number of sides of a pentagon, you would get a total number of 30 sides.
A one cent plastic penny with "Copy" on both sides does not hold any monetary value. It is simply a novelty or replica item and is not legal tender.
You would get the number 15 because a pentagon has 5 sides and a decagon has 10 sides. 10+5=15. Your answer would be 15 sides.
The number of sides and vertices are the same
It should be stamped on one of the sides, Or simply count it.