NOT KNOWN FACTS ABOUT FREEMASON RINGS

LIEUTENANT COLONEL DAVID MASON’S GUNNER’S PERPENDICULAR AND Situation, C. 1776 A gunner’s perpendicular, quite possibly manufactured in Massachusetts. : LIEUTENANT COLONEL DAVID MASON'S GUNNER'S PERPENDICULAR AND Scenario, C. 1776 A gunner's perpendicular, perhaps created in Massachusetts, dating to the 2nd half of your 18th century, engraved