50-100 USD
Desert Eagle.
price depends on overall condition. check at GUNBROKERS.COM look under colt 25 cal. your pistol made about 1922
made about 1904
about 1908
Inexpensive.
about 350 or so
100-700 USD
Can't be answered without more information
25-100 USD
Most likely a small semi-automatic pistol
25-100 or so
Made in 1966.