Common Cents Coins & Collectibles - 119! The ridges were added to keep people from coin clipping, an act of shaving down coins made from precious metals for personal gain. http://qoo.ly/xp4sv #TheMoreYouKnow #
Gareth Harney on Twitter: "Added another fine example of a famed Republican type; Denarius serratus minted by moneyer Lucius Papius in 79 BC, showing Juno Sospita wearing goat skin and a leaping
Why (Some) Coins Have Ridges – Now I Know
The Journal of Ancient Numismatics Volume 1, Issue 2
Clipping, Debasement - Money Creation
AUSTRALIA 1962 Shilling Silver COIN......Clipping ERROR | eBay
The Great Recoinage Of 1696 | Blog | The Britannia Coin Company
Crisis Chronicles: The “Not So Great” Re-Coinage of 1696 - Liberty Street Economics
What is Coin clipping?
The Journal of Ancient Numismatics Volume 1, Issue 2
1278: All Jews of England Arrested in 'Coin-clipping' Scandal - Jewish World - Haaretz.com
Roman Imperial Coinage (Illustration) - World History Encyclopedia