machine doubling?

This is machine doubling right? Is it common to this extreme?


1992 D cent

 

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I'm not sure if that is MD or PMD. I've never seen machine doubling where the underlying device is "grooved" (for lack of a better term) like that. Ordinarily, it would be smooth like the field surrounding the device, but I guess anything is possible.

Perhaps someone else has seen specimens like this before.

Chris

 

It's not machine doubling. It appears to be a form of die deterioration doubling that commonly develops on zinc cents, especially around the date and mintmark. A photo of the entire date area would be helpful.

 

thank you both, I'll try and get son more pics

 

Wow, that's CRAZY deterioration doubling . Lucky you to have Mike answer your question.

 

Took a while sorry.

 

2 more

 

Found a few similar ones (also 1992 d) while doing a search on google. "1992 deterioration doubling"

 

Yes, it's die deterioration doubling.

 

The die flow line and the edges of the devices next to field wear and snow drift over the top of the devices/fields