the model #for 64 skylarks are 4369 a 6pas wagon ,4347 sport coupe and 4367 for the convert. these are also the first # of the vin.if off the cowl tag behind the word body it is the body #.

There were only 2 body styles for 1964 Skylarks. You either have a 2 door Sport Coupe or 2 door Convertible.