Do you have one of a maple leaf?
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Who is Cooper? Is he aged?
Which bacteria does the fidget toy fight against? My two year old would love this.
All of them. I've been sucking on it instead of brushing my teeth
Is this still available?
Yes. It currently is
When were your calipers last recertified? Can you post a pictured of them zeroed?
Here you go. I took it at 21°C. 1023 hPa. 80% humidity. 9.81104 g.

And the cert? And what's the traceability?
I took the picture in 2023 right after the certificate guy handed me this. I didnt catch his name though. The quality of the copper is the same as it was back then.

I only accept copper coins with maple leaves on them, like Canadian pennies. I think they did anyways, it's been so long since we got rid of pennies I forget what they looked like.
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