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Your colt model 1903 hammerless 32cal was made in 1916.
colt hammerless 32 cal. model 1903. #253741 made 1917
If the piece is a : "Colt Model 1903, hammerless, 32acp" Then the serial # 221838 was produced in the year 1916. This is according to "Colt's dates of manufacture" by R.L. Wilson.
Colt model 1903 hammerless .32 with that serial number was made in 1931. About 78 y.o.
A Colt model 1903 hammerless .32 with that serial number was made in 1907.
I found a 1903 hammerless .32 with that serial number made in 1925.
A Colt 1903 hammerless .32 with that serial number was made in 1919.
colt model 1903 hammerless ,32 cal made about 1920
if it's the model 1903 hammerless then made about 1944
1903
Found a Colt 1903 hammerless with that serial number made in 1917.
The 1903 Colt Hammerless .32 with serial # 137295 was manufactured in 1912. about 1913