Proofhouse.com has Colt serial numbers you can look up
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The Colt model 1911 commercial .45 with serial # 70G67301was produced in 1974.The serial numbers in 1975started with 70G73001.
The Colt 1911 government model with that serial number was made in 1919,
your colt model 1911 was made by colt in 1913.
You will have to call Colt or provide the serial number.
what is the serial number for the 1911 ?????????
Colt 1911 .45 serial # 171885 was manufactured in 1917.
Your colt 1911 was made in 1924.
what is your question ????
By calling or writing to Colt Mfg. Co,. in Hrtfd,CT
Depends. Who made your 1911? For a fee, Colt will research dates and original purchaser. But not all 1911s were made by Colt. PS- 1911 or 1911A1? Also you can check at proofhouse.com for list of dates by serial numbers.