BWAHAHAHAH!!! That's STILL correct even if UPSIDE-DOWN!
4-3-2-1 (yours upside-down)
Actually, it's pins 4, 3, 2, 1, but I could be wrong about the port orientation switching the pins around, though it makes perfect sense. I wasn't trying to play mind games.
Mine are "sideways" - does that make them all "1-1-1-1" or would that be "4-4-4-4"?
If a Commercial Jet flips over, does the Pilot/Copilot Seats magically "reverse" (or "mirror")?
Care to play a game of Star Trek 3-D Chess with me?
Have you ever dated Lindsay Lohan?
Ennyhoo, you've been specifically answered. I'm betting it's a "coloration bubble" from when the plastic part of the component was molded over the contacts. Same thing can happen when Fiberglass is mixed and spread (check out some aftermarket fiberglass automobile products).
Thanks for all your help. I got what I needed. I suggest you be more polite to people you want to help. You certainly don't know it all, as does nobody. No hard feelings.