That's just it. To my knowledge, you can't tell. Especially if the installation was done exactly, body cutout and all. -Mark Cepak, Tom A wrote: >I know in 1964 the Spyder had its own identifiable serial number. In >'62 and '63 the Spyder was an option right? If it was an option, how >can you tell if it truly is a Spyder or if someone added the stuff to >appear as one?