Discussion in 'Error Coins' started by User12345666, Jan 6, 2020.
I found this what do you think?
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Not DDO but DDD Dir9 Deterioration Doubling.. aka worthless doubling.
thank you
no
NAV Doubling or No Added Value Doubling.
From what I've just learned, DDD. DDO would overlap the numbers.
Separate names with a comma.