1921 Morgan P: "Machine DBL" on reverse lettering?

Good day all. Got a question on a 1921 P Morgan. Just purchased a few dozen Morgans from local dealer just to get familiar with the coin. Found in my stack a 1921 P, pretty good shape for 20$. Notice under the microscope doubling of all the letters on the reverse, Snapped a shot of the "s" over eagle head to show. Can't find anything in VAM on this, is this machine DBL?

 

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It looks like machine doubling to me.

Chris

 

I vote machine doubling as well since the doubling is a lower shelf off the primary letters.

 

After further scrutiny, most of the features on the reverse show signs of doubling (stars, feathers etc..). No doubling on the obverse though.