Mike,
If you are referring to the Riviera in the Hemmings ad from Bend, OR, with all due respect, it is a 1969 model.
It has a 1969 grille, 1969 rear bumper, 1969 rear side marker lamps and a 1969 interior.
The sixth digit, 9, in the VIN indicates 1969.
Jim Vesely ROA # 7437 BCA # 39477