J Johnson, London, a late George II silver gilt and tortoiseshell mounted pair case pocket watch,

J Johnson, London, a late George II silver gilt and tortoiseshell mounted pair case pocket watch, no.2515. circa 1753. the fusee verge movement with a floral pierced balance cock, silver regulation dial and square Egyptian pillars, white enamel dial with black painted Roman numerals and Arabic seconds, the silver gilt inner case hallmarked London 1753. with an outer gilded-base metal and tortoiseshell covered pair case (lacking a substantial section of tortoiseshell from the bezel) J JohnsonÊis recorded in Baillie, G.H., Watchmakers and Clockmakers of the World, apprenticed 1750. and Free of Clockmakers Company 1769.