Your colt army special was made in 1924.
Made about 1924.
50-450 usd
Requires professional appraisal
That serial number shows it was made in 1922. If you google 'Colt Army Special .38' you will find some information on it.
The value depends on overall condition. It could be anywhere between $350-750.
1929
In 'good' to 'very good' condition, it's worth at least $400.
Go to Proofhouse.com to date it. The patent dates are not the date of manufacture. Value depends on condition, which you have not described.
It is virtually impossible to give a value on any firearm with the description you gave. You do not mention the type of finish, overall condition, material the grips are made of, sights, any accessories, engraving, papers, box or historical association with a person or event. It could be in the 10-1000 USD range.
Impossible to answer without a detailed description of all markings, features, barrel length, sights, grips, box, papers, accessories, condition, type of action, etc..
About 99 years old, produced in 1911.