Silver sur plateau movement, two airs, 23 and 21 teeth, stamped on the spring: “1815” Silver sur plateau box, the lid with engraved cartouche (lyre and acanthus leaves) on an enginge-turned background Base of movement 23 teeth Female winding hole The sliding lever which shifts the disc up und down to play different tunes Upper side with 21 teeth start/stop lever governor fan The upper side of the brass disc
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