Sorry, can't find a Colt .32 police with that serial number in the records I have.
A Colt new police .32 with that serial number was made in 1904.
your 32.colt police positive was made in 1919.
You will have to call Colt.
about 1912
Proofhouse.com has Colt sn data.
A Colt police positive .32 with that serial number was made in 1922.
A Colt police positive .32 with that serial number was made in 1916.
Serial Number is 91953 Colt - 32 Police CTG Postive
Based on the serial # 74000, that Colt police positive .32 was the first one produced in 1910. about 1914
1951
Made in 1917.
about 1955