50-300 usd
Don't know value,but the Colt new police .32 serial # 18685 was produced around 1904
Around 1921 for a 1903 colt hammerless .32 with that serial number.
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.
Proofhouse.com has Colt serial number tables.
The frame
That Colt .32 hammerless was made in 1924.
If you are looking for age, a Colt 1903 hammerless .32 with that serial number was made in 1916.
A Colt model 1903 hammerless .32 with that serial number was made in 1907.
1914; 50-350 usd
You will have to call Colt.
A Colt 1903 hammerless .32 with that serial number was made in 1919.