What is the age and value of an agawam m66m 22 magnum rifle?

What is the value of a Marlin 12 Gauge model? I have a Browning auto 5-3 magnum with 3 barrels 32 full choke 28 modified and 24 buck special. The gun is Japanese made. Anyone know what for this is worth in excellent cond. with 3 barrel case? What is the value of a colt police positive from 1924? Who sold the model 151 12 gauge shotgun imported by spesco corp? What is the age of your AYA shotgun SN 85263? What is the value of a H and R Model 650 Pistol? How much is a Gecado model 11 .25 cal worth? What are the manufacturing years of the Remington 760 Gamemaster? What is the value of a savage model 843 cal 222 bolt action rifle purchased from coast to coast store 30 years ago? Where is the serial number on a defender 89 revolver? What is the value of a S W model 29 357? What is the value of 38 sw revolver marked smith and Wesson springfield mass usa pat'd May 11 1880 serial 81236? Which modes of fire does the M16A2 have? American Gun Co Double barrel 16 Gauge what year manufacured? What is the age of 1851 colt navy number 112343? Is the 204 better than the 22-250 rifle? Can anyone tell me about a 1896 Eclipse Gun Co Shotgun I have a grandparent with a 1896 Eclipse Gun Co. 12 ga. double barrel shotgun. It's serial number is 27513 and it was made in Belgium? Where is serial number for harrington and richardson arms co bolt action model 348 gamester 16 gauge? What is the value of Winchester 94-30-30 all original mint condition manufactured in 1945? What is the rate of twist on my Remington model 7600?