You’ll note that the edge of both the dime and quarter have ridges, little grooves running perpendicular to the coin face. The penny and nickel, though, have a smooth edge.
How many ridges do coins have?
One of the fun facts I learned from the Money Smart Week exhibit at the library is that dimes have 118 ridges or grooves and quarters have 119.
What are ridges on coins for?
Reeding of edges was introduced to prevent coin clipping and counterfeiting. The main techniques of coin edging are edge mills of various types, which put a pattern on a smooth edge after a coin and coin mills with edge ring, which pattern the edge at the time when the coin is being milled.
What are the ridges on the nickel and dime?
You’ll note that the edge of both the dime and quarter have ridges, little grooves running perpendicular to the coin face. The penny and nickel, though, have a smooth edge. This is something you’ve probably noticed before if you handle American coins regularly, but like many design choices, probably not one you gave a second thought.
What kind of edge does a nickel have?
“Reeded” edges on American coinage… but so do many United States coins! Quarters and dimes have a “reeded” edge, while nickels and cents have a “plain” edge.
What kind of coins have ridges on the edges?
Pictured above are the four most common U.S. coins — from top to bottom, a dime, penny, nickel, and finally, a quarter — seen from their edges. You’ll note that the edge of both the dime and quarter have ridges, little grooves running perpendicular to the coin face. The penny and nickel, though, have a smooth edge.
What’s the difference between a nickel and a quarter?
Quarters and dimes have a “reeded” edge, while nickels and cents have a “plain” edge. You may have noticed that the quarters and dimes in your pocket or purse have a “reeded” edge, featuring vertical grooves or ridges, while nickels and cents in your pocket have a “plain” or smooth edge.