67 dart gt convertible V8 production numbers?

Jimber said
I have a 67 dart gt convertible 273 4BBL automatic. Does anyone know how many of these were built?[/

Jimber said
I have a 67 dart gt convertible 273 4BBL automatic. Does anyone know how many of these were built?

I have an opportunity to purchase a 1967 dodge dart convertible supposedly a rare preproduction pilot car? can anyone tell me if this is a rare car?