While it is true that S&S typically incorporated a "rise" in the beltline molding at the "D" pillar, as Bill mentioned, there are exceptions and this is one of them.
This coach is a 1990 or 1991 S&S Cadillac commercial glass Victoria on the rear-wheel-drive chassis. S&S did not incorporate the D pillar "rise" in the RWD Cadillac hearses from 1985 through 1990. The first '91's also did not have this, but during the 1991 model year, S&S brought back this noted styling feature, so some '91s and all '92s had it.
Here are two examples to illustrate this point...