A good gold Swiss hunter watch, possibly of ca. 1880-1890, is marked only inside the front dome of its case. The marks, in addition to the watch serial number, show an 'Imperial Crown', the number '56' and '14K' (see picture). '56' is an old Russian measure for the quality of gold, equivalent to 14K. Its presence may indicate only that watches manufactured by this 'factory' were also exported to Russia. Is the 'Imperial Crown' a trade mark of the case manufacturer (and likely also the finisher of the movement)? If so, who may be this person or organization? Any information and comments on the subject would be greatly appreciated.
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