Impossible to answer since you did not provide a detailed description of all markings, features and condition.
sword
Impossible to value a weapon with only the serial number.
No such weapon in any reference I have
are you asking the value of a 'single' 45 cal. cartridge or the value of a 45 cal pistol/revolver ???? If a weapon, for value, you would have to declare the overall condition of the weapon, maker, model and serial number........................
Impossible to value a weapon based on just the serial number
Impossible to value a weapon with only the sn. The condition is....Excellent....as New
Impossible to value a weapon with just the serial number and caliber.
value depends on overal condition of weapon......................
Impossible to value a weapon with only the serial number.
As in all weapons condition determines value; using the NRA Grading system the weapon in question in 95% condition value is $450.00, in 60% conditon value is $225.00. If the weapon was a USA issued General's pistol value much increased.
Impossible to value a weapon with only the serial number and no other information.
The value depends on the manufacturer, the model, and the condition of the weapon.