I don't see the PWS on that, not the same racquet as Sampras'.
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It might be a ROK or some other old prostaff.
Not a 6.0o or 6.1
It can't be the ROK either because the ROK has PWS. Mahut's racquet does not have PWS. I think maybe it is a version of the Blade with a more open string pattern.
Mahut's racquet with K6-1 paint job did not have the PWS.
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