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Google "colt junior"
Your colt junior 25 auto was produced in 1962.
Depends on your intended use.
1965
Junior Colt .25 with that serial number was made in 1973.
The rebus "colt jr" can be interpreted as "colt" being a young horse and "jr" typically meaning "junior." Together, they sound like "colt junior," which can be read as "young horse." The phrase suggests the word "foal," which is a term for a young horse. Thus, the solution to the rebus is "foal."
Compare against a known original, pictures of of one or appraised by a professional who deals with Colt's.
No serial number provided.
That Colt junior .25 automatic would be 39 years old. Made in 1973.
by the serial number.........................
About $20
By studying the books that have been written on Colt 1911's