A Victorian silver carriage lamp, by Thomas Johnson, London 1862, rounded rectangular form, engine

A Victorian silver carriage lamp, by Thomas Johnson, London 1862, rounded rectangular form, engine turned decoration, the hinged front cover with a cartouche with engraved initials, the top with another hinged cover with a vacant cartouche, with spike supports to the underside of the cover, the reverse with two wire-work handles the hinged front opens to reveal the glass panel, the lower front opens to reveal a vesta holder and striker, the base with hinged supports for table use, height closed 15.9cm.