How much is a Higgins mallard decoy worth?

What year are these 2 belgium made browning guns 20 gauge 8Z9039 and light 12 gauge 31920? What is the age and value of a Davidson Firearms Co greensboro nc cal 410 double barrel shotgun in excellent condition Has engraving on receiver and is made in Spain? How old is my savage 110 serial number 690188? Are 14 inch arms big? Where can you legally shoot a Glock firearm in the US? What year was springfield armory m1 grand serial number 346045? Why does the US have so many nuclear weapons if they can't use them on another country? What is the approximate age of a J C Higgins Model 21-20GA 5832075 shotgun? What is the value of a ranger 101-13 rifle? Have a double barrel external hammers shotgun with only a stamp of Virginia Arms Co and a serial on it what kind of information such as a year of manufacture can you find out about it? What is the value of a Remington 22 pump rifle that shoots short long and long rifles and has serial no 420251? What is age of an Ithaca double barrel serial 293013? What type of gun that does not eject shell casings? Is a centurion p14 7mm mag a good gun? What happens when an ammo clip is hit by bullet? What ammunition does a 22 caliber Winchester Model 67 use? What is the manufacture date of a beretta 12 gauge silver lark shot gun serial number 008745? What do you use pellgunoil for? When did they start using guns and rifles? Who made the first lever action shotgun?