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These grooves, called "reeds", prevent dishonest people from filing off the edge of the coin in order to sell off the metal. The filed edge of a smooth coin can go unnoticed, but a filed reeded edge is obvious. Reeding also makes counterfeiting the coin more difficult.

When US Coins contained precious metals, all silver and gold denominations were reeded. Today dimes, quarters, and half dollars are reeded simply because their designs haven't been significantly changed since the days they were made of silver. The brass $1 coins introduced in 2000 are a new size and design, and have smooth edges to help differentiate them from the other denominations.

Many countries now use variations of standard reeding to help make their coins distinguishable by touch as well as sight, especially if they're similar in size. For example some euro coins have wide reeding, others have very narrow reeding, and still others have what's called "interrupted" reeding with interspersed smooth spaces.

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Q: Why are there grooves on the edge of a coin?
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Related questions

What are grooves called on the edge of a coin?

reedim


How many grooves on a one pence piece?

There are no "grooves" on a British 1 Penny coin. The edge is not milled.


Which coin has 119 grooves?

The 25-cent Canadian coin, also known as the quarter, has 119 grooves on its edge. Each groove represents one year since the Confederation of Canada in 1867.


How many grooves are on the edge of a quarter?

a quarter has 130 grooves.


How many grooves are on a quarters edge?

A quarter has 119 grooves, or reeds. The grooves are used as an anti-counterfeiting strategy.


How do you observe a penny?

You just stand there and watch it (in case it makes a break for the door). You possibly mean "obverse" rather "observe". The "obverse" of a coin is the front, usually the side with the King, Queen or president on it. The "reverse" of a coin is the back. The only other surface a coin has is the edge, which many people forget about or ignore. The edge of a coin can be smooth, milled, have interrupted milling or even grooves. There can often be some sort of inscription on the edge of a coin.


How may grooves are on the edge of the equator?

None.


How many grooves are there on the edge of a U.S. dime?

According to the U.S. Mint, a dime has 118 reeds (grooves).


How many grooves are there on the edge of a U.S dime?

According to the U.S. Mint, a dime has 118 reeds (grooves).


How many grooves on edge of a quarter?

There are 119 reeds.


What knife is used to cut long grooves in vegetables?

A Granton Edge or kullenschiff edge


How many grooves on the edge of a quarter?

There are 119 ridges on the United States quarter dollar. The ridges are there mostly for making sure the coins are properly used in coin operated machines.