You will have to call Kimber to find out.
You will have to call Beretta
Call Colt
Buy one of the books that has published serial numbers for that particular pistol.
No known sn data published.
You can find out at Proofhouse.com in the Colt tables.
You will have to call Colt to find out.
1911 police pistol 32/20 double barrel
clerke is more junk then weapon. dangerous as the metal is not steel. no value. not likely to find date of manufactor...............
James Spacek book on Hi-Standard
This number falls onto a 1964 "HIGH STANDERD" pistol.
You will have to call Kimber to find out.