Hi Corvette group two years ago i bought a 1971 roadster ,it was exported from nebraska in 1989 , iam trying to find out what the original us plate was. the vin as follows 1945671s104454 i have tried car fax ect but you can only search 1981 and on. it was blue when it left the factory when it arrived in england it was silver with flared rear arches can enyone help me please