-25%
GM Detroit collection 6 brands brochure, 8 pages, 1976, USA, English language
# unnumbered, shows all models for the 6 main brands of GM: Buick, Cadillac, Chevrolet, GMC, Oldsmobile & Pontiac (46 different cars and light trucks shown in this line-up), example page added as 2nd scan with the Corvette