Euromodel 76, I have the same car as you but a 1977 Icy Green Metallic. I have mine in Southern California (Palm Springs). Recently, a 3.O carrera (Icy Green Metallic) sold in Australia for $64,636 USD. Here is there website:
http://********hamilton.com.au/ Look up recent sales. PM your email address and I forward the email from a gentleman who is tracking recent sales for the Carrera 3.0.
Ener