What does 14KF mean on a ring?

Are there any new or slightly used british 303 rifles available? What is the year Washington arms mfg 12 ga single shotgun? Colt single action revolver serial 70773? What was the purpose of the plot in the gunpowder plot of 1605? Smith and wesson with the serial number 6533 what is the date of manufacture? What does 875 gold mean? The early machine guns would rapidly overheat and become inoperative without the aid of cooling mechanisms? How many gunsmiths are there in the US? What is your marlin 783 worth? What is the value of a Sears Roebuck bolt action 30-30 model 45? What is a browning 9mm Model 245PY worth? Bennelli nova in great condition what is the value? What should i sell my 1917 Winchester 30-06 cal. rifle that has been sporterized for? How do you find the brand of a 380 pistol? What is the value of a john primble knife? What is the value of a savage sharpshooter model b? Value of a Savage Arms Stevens model 77m shot gun? What is the value of a 1968 12 gauge Browning Light Twelve semiautomatic shotgun made in Belgium? What is the value of a Thompson Center Black Diamond inline muzzle loader with a camouflage stock and blued barrel in mint condition? Can a JC Higgins model 88 revolver shoot the 22 WMR if its says 22 cal?