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				 Educate me on the Sweet Cap "overprints" 
 
			
			What is the story on the overprint?  I have a Doc Powers with the Sweet Cap with overprint back and just picked up a Long Bob Ewing with the same.   Is this some type of back error or was it something that happened during a switch from 150 series?
 
				__________________Bill Potter
 T206 Beater Collection currently at 51/524
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