The Colt model of 1917 revolver just like the Smith and Wesson model of 1917 revolver was made from 1917 until January of 1919,for use in World War I.
Another answer:
1918 specifically
By model and serial number. Go to proofhouse.com
2006
1871
1912
1910
1911
probably WW1 era.................
1919
Just saw a site saying a serial number 88000 was manufactured in 1916. So it may give ya an idea.
No known sn data published.
Early 1930s
No published sn data I am aware of.