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Nearest I can figure the Colt new service with that serial number was made around 1920
made 1918
made about 1918
1915
50-500
made by colt about 1917
about 1917
0-500 usd
Not factory. 10-100 USD
50-300 usd
Jerry Joins the Army - 1917 was released on: USA: 24 May 1917
new model army