Yes, they are 67 but honestly I wouldn't touch a VIN tag that has been removed. If a guy puts that on his car he will have to be looking over his shoulder as long as his name is associated with that car.
Certainly one of the earlier SD's all right.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars