100-1000 USD depending on EXACTLY what you have and its condition, accessories, box, papers.
made about 1904
100-700 USD
Colt offers history letters.
50-550 usd
My grandfather's pistol used in ww1
about 1908
price depends on overall condition. check at GUNBROKERS.COM look under colt 25 cal. your pistol made about 1922
To vague a description. Could be worth 500-5000.
Impossible to answer without the serial number. You can also contact Colt
value is based on overall condition and gun model...............
depends on overall condition
your colt 25 cal semi-auto was made in 1972.