I'm cleaning up one of my father's knives and it is a small 2 blade (2.5 inches closed)made by Ulster Knife Company. it has an emblem on the handle that is the shape of a crescent moon (crescent pointing down) with a box suspended in chains. in the box there is the letters "UCT" on it. at first I thought it my be the emblem of the Teamster's Union but after looking at the emblem it isn't the Teamster's. for a time he also belonged to the confectionary union but that emblem isn't correct either. any ideas on what "UCT" might mean?