Lustre prints offer the best of both worlds:
- the color saturation of glossy
- the fingerprint resistance of matte
- without the glare associated with glossy.
Below, both the lustre (bride) and glossy (Darth Maul) prints look good in the absence of glare.

But when the angle changes, glare is far more evident on the glossy print (right):

Lustre has a satin-like sheen and a modestly textured surface which you can see when the light angle is just right.
Lustre paper is .71 mils thicker than gloss and matte. In addition, lustre paper is watermarked on the back as follows:
Kodak Professional ENDURA PaperDO NOT COPY
PROFESSIONAL IMAGES ARE
COPYRIGHT PROTECTED