No such model number desgination was used by Colt.
you will need model name.
made by Colt about 1916
Proofhouse.com has Colt sn data
That Colt .45 government model was made in 1918.
1918
1917
By model and serial number. Go to proofhouse.com
Impossible to answer without knowing what model it is.
Impossible to answer without knowing what model you are referring to.
Need to know the Colt model.
It was manufactured in 1950,about 59 years ago.
With a letter in the serial number, I doubt if it is a genuine Colt. Probably manufactured in Italy sometime in the 1960s or 1970s.