[dennisw]

So then currency and coinage is roughly 10% of M2. So much US currency circulates outside of America that this 10% is off too

[Toddsterpatriot]

So then currency and coinage is roughly 10% of M2.

Yes.

So much US currency circulates outside of America that this 10% is off too

The 10% is not off. If you want to talk about how much of the money supply in the US is currency, the percentage is lower. I've seen estimates that between one-half and two-thirds of our paper money is held outside the US.