Well...I can see why you guys think so, but the second set is not Superbe.
I should have posted this pic at the beginning - below is the back side of the second set.
After looking at every shifter in the Suntour lineup, I'm still thinking mine are the clamp-on version of these Superbe Pros:
VeloBase.com - Component: SunTour LD-4650, Superbe Pro