J JOHNSTONE LIVERPOOL ENGLISH VERGE FUSEE POCKET WATCH MOVEMENT SPARES Q24. I HAVE ANOTHER ONE OF THESE FOR SALE, AND IT LOOKS LIKE THE DISTINCTIVE ENGRAVING OF THE BLANCE COCK WAS A DESIGN DISTINCTIVE OF THE MAKER. NUMBERED 3258. DIAMETER 42.6MM. CHAIN OFF BARREL.THE BALANCE WILL SWING, BUT MOSSING SCREWS IN A PLATE ARE CAUSING IT TO INTERFERE.