it was, however, messed with. i'm fairly sure the person i bought this used from was trying to put it on their non-tablet X61 given it came with a LED backlight mod (which doesn't seem to be installable on the tablet) and in trying to install that they left the diffuser dirty
it also has no glass in front on the panel so while the digitiser does work fine i'm not comfortable pushing the stylus against it. let's see if i can clean the diffuser and transplant just the glass from my old panel...