I randomly came across this ad for used Pirelli 205 70 14 CN36 tires. A classic model for original rims that is now in production again. A picture of a very nice looking tire is shown. At $49 (I guess my browser translates to $) seems worth finding out age/condition of these tires.
http://www.ecrater.com/p/14342621/1...4-classic-car-worn-tyre?gps=1&id=102393842419
http://www.ecrater.com/p/14342621/1...4-classic-car-worn-tyre?gps=1&id=102393842419