1994 D penny
				
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 This website will explain machine doubling in more ways than I can here in a short post. If it is lower, shelf like and thinner numbers, letters... it is a high chance it's worthless doubling.
 
 https://www.error-ref.com/index-of-entries/
 
 
 
 My signature block :
 
 Three helpful posts:
 How to take better photos with a Cellphone:
 https://board.conecaonline.org/forum...th-a-cellphone
 
 RPM or DDO question? Help us help YOU:
 https://board.conecaonline.org/forum...lp-us-help-you
 
 What Forum to post your coin questions:
 https://board.conecaonline.org/forum...t-forum-to-use
 
 Gary Kozera
 Website: https://MintErrors.org
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