your question lacks detail information on your pistol. if it is a 1903 hammerless 32 cal. then made about 1905
The date of manufacture of Colt 1903 Hammerless .32 is 1916.(193000-234999)
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
No way to answer without a serial number.
about 1925
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.
Your 1903 colt hammerless 32. was made by colt in 1920.
You can find out at Proofhouse.com in the Colt tables.
1934 for the Colt 1903 hammerless .32.
1917
about 1908
1908,