The N200000 numbers ran from 1974 to 1977.Mod 28-2 serial number n22383x
cdt532x = late 1999.model 67-4 # cdt532x
model 10-5 # d4806XX
1983.S/N is ACU7XXX
Right around 1930.serial number = 6036xx
It's a model 10 if steel frame or model 12 if aluminum frame.serial # C886XXX
1980.66-1 SN# 69K5xxx. I hope it's worth the $375 OTD I paid for it
It's a .38 Military & Police model of 1905, 4th change. SN 503XXX dates it to late 1920's.503xxx