I found 2 Shannon with similar doublings. Sorry I have no pictures and no means to get any. I am sure that the error is frequent and someone else, with the hability of taking pictures will step up and post the image.
Congrats on your finds T_V, and thanks to all for your replies. Coming across this loonie was kind of accidental as I usually only look very closely at one cent coins. I'm still quite new to collecting/error hunting, but learning to keep my eyes peeled no matter what the coin. It's all very interesting :)
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