Ca. Ø13cm, ca. 1,285g, silver, 3 cases, all cases pierced, outer case covered with ray skin, extraordinary ornamental nail decoration, richly engraved floral decorations, middle case also florally decorated, inner case with maker's mark I.R as well as London Hallmarks from 1800, bell, extremely splendid fire-gilt verge movement, quarter-hour self-strike, completely signed and numbered, movement in fantastic condition, very well preserved signed original enamel dial, gold hands, only the ray-skin covering is rubbed in the centre back. Otherwise, this museum coach clock is in a fantastic condition. Ottoman coach clocks with grande sonnerie are extremely rare. Only a few comparable clocks have been auctioned so far: e.g. 1. (https://www.cortrie.de/go/ZZB), 71,300 Swiss Francs