National Geographic : 1967 Mar
What's so unique about the new 4-door Thunderbird? It's the one personal luxury car with four doors. The only one. Another better idea from Ford. Made especially for people who love Thunderbird's looks, but need the convenience of four doors. Now those people can fly, too. The newThunderbird with Lincoln Continental-inspired center-opening doors makes it easy to escape from the ordinary. Drive the new four-door Thunderbird; decide for your self whether it is as unique as we claim. Thunderbird Unique in all the world.