Vintage Felmore Sterling Silver Pen Knife Fob, with Gold Overlay

This is an old or antique pen knife, probably used as a fob for a pocket watch. The end loop is marked Felmore Sterling. It has steel blades and a sterling body with gold overlay stripes, and it is about 6 cm long. It weighs 13.9 grams (0.45 Troy ounces). It was used and has some scuff marks, tarnish, and a few corrosion spots on the blades, but it has no damage, the blades are snug, and it is in overall very good shape.