Sounds like a possible capped die error -- worth $50-$100. Check out Mike Byers' Error Coin Website -- http://mikebyers.com -- and perhaps you can send pictures to him for an exact appraisal.
There are no ridges on a US Penny or the US Nickel, the edges are smooth.
If it's a U.S. penny than it shouldn't.
one cent
A cent (penny) is circular so the "greatest distance" is simply its diameter. Since 1858, all US cents have had a diameter of 19.05 mm.
Probably yes. If you measured the width of a penny and then sliced it down the exact middle, the two sides would be equal in weight only if the total volumes of the designs on each side matched. Possible but very unlikely.
It is a circular shape with 3 faces and 2 edges.
There are no ridges on a US Penny or the US Nickel, the edges are smooth.
it is going to get cleaner and smooth
1863 penny with a 9 in the middle of the 18 and 63
The middle of the penny weighs the most.
If it's a U.S. penny than it shouldn't.
Most likely the reverse side of your coin has been sanded smooth and has no value other than that of the copper in it.
one cent
put the penny on the line of your middle fingeer and thumb (when they are pressed together) and snap...simple as that but it takes practice to "catch the penny"to flick it
The Penny Press is a newspaper produced in the middle of the 19th century that were cheap, tabloid - styled papers
A cent (penny) is circular so the "greatest distance" is simply its diameter. Since 1858, all US cents have had a diameter of 19.05 mm.
A Penny saved is a penny earned, as you would not have it any other way