Machine Doubling? - Coin Community Forum

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Author	Replies: 4 / Views: 821
coffeegod Valued Member United States 236 Posts	Posted 02/18/2008 01:19 am Have to ask this one since I think I'm right. Typical Machine Doubling? The only reason why I question it is because of the consistant doubling to the 9, 9, 0, and D. This is why I have you guys. Image: b.jpg 86.47 KB Report this Post to the Staff

coop Bedrock of the Community United States 62064 Posts	Posted 02/18/2008 02:27 am That looks like die erosion. The pressure of the striking makes the edges facing the rim wear more than on the opposite edge of the same devise. Still not a collect able, but you might like the correct terminology. Thanks for your question as others will benefit from your question. Report this Post to the Staff
coppercoins Pillar of the Community United States 7629 Posts	Posted 02/18/2008 10:24 am Coop has it right. Typical Machine Doubling is the shelf-like doubling that is the result of the edges of letters flattened down by die bounce. This coin shows the effect of erosion in the fields that roughly follows the shape of the devices nearby...that's die wear. Report this Post to the Staff
gusp Valued Member United States 288 Posts	Posted 02/18/2008 10:42 am Excellent. See these often. Agree with the others. I also say Die Erosion. Looks caused by wearing or erosion on face of die. G... Report this Post to the Staff
NGiles Pillar of the Community United States 527 Posts	Posted 02/18/2008 11:01 am Thanks for the explanation of Machine Doubling Coppercoins, it helped me understand it a little better as well. I agree with Die Erosion. Report this Post to the Staff
	Replies: 4 / Views: 821

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