@amn, can you please clarify whether the two SBAs that you just posted are the same coin or different ones? If they are the same, then I'll combine the threads as best practice is to avoid multiple threads on the same coin. Otherwise, I'll let others comment on the doubling that you are seeing. Thx.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz
Sorry, @Spence. This is a new coin. I wasn't sure whether to put this into the posting for the other coin. But, yes they are 2 different coins! Sorry for the confusion.
On the 'DOLLA' the metal was moved a lot on those devices. Thus the direction started there and continued across the coin. Note on ONE, the direction is slightly different. Machine Doubling can be in one or more directions. Mike Diamond mentioned as much as three directions can be seen. depending on how loose the machine is. Also from strike to strike, Machine Doubling can be different:
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