Buy one of the books that has published serial numbers for that particular pistol.
The lower the serial number the younger the pistol is
No way to value with just the sn.
What model?
Depends on the model and serial number.
1922
1978
Go to: www. proofhouse.com with serial number.
This number falls onto a 1964 "HIGH STANDERD" pistol.
PC0327
Will need model name to answer.
1918