Silver Half Hunter Pair Cased Verge

A 19^th Century English verge in a silver half hunter pair cases.  Full plate fusee movement with round pillars.  Pierced and engraved round cock, polished steel regulator on top plate below the plain three arm steel balance.  Half hunter style white enamel dial with two concentric chapters of  Roman numerals, only the inner showing unless the front cover is opened.  Gold half hunter hands.  Matching silver pair cases, the inner with a broad border to the front bezel, small glazed aperture at the centre.  Silver pendant and bow, maker's mark "HWG" in conjoined circles and number corresponding to that on the movement.