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Learn about the mistakes that can happen to modern issues of coinage from veteran lecturer and collector William Cowburn. See examples of coins that have been broadstruck, double struck, clipped, struck on the wrong planchet, struck with misaligned dies and other ways to make the money amazingly interesting to collectors. 
 
From the 2009 Central States Numismatic Society convention.
 
To watch the complete video, see: 
Collecting Error Coins
(https://youtu.be/Wyk-wymv3fg)
 
 
 Wayne Homren, Editor
 
 
 The Numismatic Bibliomania Society is a non-profit organization 
promoting numismatic literature. See our web site at coinbooks.org.
 
 To submit items for publication in The E-Sylum, write to the Editor 
at this address: whomren@gmail.com
 
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