Let me dig out some pics. The palm is harder to make out, but the "finger nails" can be seen quite clearly the thant b/w ANH promo feat. the hero helmet and the so-called hero hand guards.
But from 3 feet away, with lots of spot lights every detail washes out.
Edit: I'm pretty sure the not every gloves was the same. They surely mixed several brands in ther course of production because of damage etc... They used whatever they could find