Impossible to answer without a detailed description of all features and markings.
value is based on overall condition and gun model...............
what model pistol ????
The Colt model 1908 hammerless .25 with that serial number was made in 1909
value is based on overall condition, model and serial number........................
what model and cal. pistol/revolver ????????????
45 ???? revolver or pistol ????? what is the model ????
If the pistol is a model 1903 hammerless it was made in 1907 I cannot tell you the value.
if you have a model 1908 hammerless colt.then it was made in 1909.
if you are referring to the model 1911 Colt pistol with serial number 444810, then it was made by Colt in 1918........................
100-1000 depending on EXACTLY what you have and its condition.
value of 3220 colt pistol
value depends on overall condition.....................