Silver English Fusee Lever

A late 19^th Century English fusee lever in a silver open face case.  Full plate gilt keywind fusee movement with dust cover.  Harrison's maintaining power. Engraved cock with garnet endstone, blue steel Bosley regulator, compensation balance with blue steel spiral hairspring.  English table roller lever escapement.  White enamel dial with subsidiary seconds, Roman numerals, blue steel seconds hand, gilt hands. Substantial engine turned silver open face case with ribbed middle.  Vacant shield shaped cartouche and garter on the back cover, maker's mark "JH" in a rectangle.