I'll have to dig them out and check, but I don't remember the surface of my certificates (also have the blue) being this "textured". Did they switch to a different paper type at some point, or am I merely confused?
From recent ebay auction:
Not the sharpest photos in the world, but the best I can do right now (click on thumbnails to expand).
PS: And, sorry, not color corrected either. Thoughts, anyone?
PPS: Wow, this topic is even deader than I thought. No intellectual curiosity whatsoever. Well, never mind ...