Hi Grummo, Its possible you have a collectors series there....as C followed by 6 digits denotes"Collectors" I therefore would contact Fender and get further details
Here is the info ref that serial number:
Guitar Info
This guitar is from the Collectors Series
made at the Fullerton Plant (Fender - Pre CBS Era), USA
in the Year(s): Cannot be determined from serial number
Fender: Fullerton
The Fullerton factory opened in 1946, Fullerton California with the first major electric solid body guitar production began in 1950 with the Broadcaster (later known as the Telecaster). Sold in 1965 to CBS who in 1985 sold Fender to a group of private investors the plant was not included in that sale and was subsequently closed.