made about 1918
Value is impossible to give based on the vague description. As to the age, Proofhouse.com has Colt sn data you can look at for free.
You will need to call Colt to find out.
47 yrs old
My records indicate that your 45 colt single action army was made in 1883.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
made by colt in 1918. may have seen service during WW1
No such sn in the Colt 25 range
You need to call Colt. That sn is beyond the published lists.
If you call Colt with the sn, they will tell you.
Call Colt with the sn