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2006 CANADA 1 CENT de-lamination
acadien
Posts: 635 ✭✭✭
Odd one, there is also a circular mark indeed at 9 o'clock, has the shape of an O
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Looks like glue or dried adhesive. That nice round thing is probably an air bubble. If you're really motivated, try some acetone or xylene to remove it.
Dam, I hate it when your are wright. But I like it further more. Thanks..
Obviously glue. Not worth 1 second of study.