1971 Baltimore

Various letters are found on the third line of the trim tag. These include:

B: B has been found on Malibu sport coupe and convertible, 13437 sport coupe, 13569 Malibu 4-Door Sedan, Monte Carlo and sometimes with D and does NOT indicate SS Equipment.
D: D has been found on Malibu sport coupe, convertible, and El Camino, sometimes with B.