contact: Simon & schuster, 1230 Avenue of the Americas. N.Y., NY 10020 Ask them for book by R.L. Wison, titled 'Colt's, dates of manufacture......................
Many libraries have a copy in their reference section.
Colt factory: 1 800 962 2658............
Proofhouse.com has sn tables you can look it up on.
proofhouse.com
Try Proofhouse.com
Blue Book of Gun Values.
By calling or writing to Colt Mfg. Co,. in Hrtfd,CT
You will have to call Colt since you did not provid the serial number.
It's under the cylinder swing near the barrel.
all colt SAA pistols have serial numbers. If the serial number was filed off then the gun is Illegal to have, and without serial can't tell when made...............
Not in the public domain.
You can find a list of Colt M1911 and M1911A1 production serial numbers at http://www.coolgunsite.com/pistols/colt%20production.htm. Going by the numbers in your question (7071), it looks like you have a M1911 that was made for the Navy in 1912, the first year of production.
what model pistol ????