A WHITE CHALCEDONY DIAMOND-SET PRESENTATION CIGARETTE CASE

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A WHITE CHALCEDONY DIAMOND-SET PRESENTATION CIGARETTE CASE
BEARING CYRILLIC INITIALS KF FOR FABERGÉ, PROBABLY CA. 1900

Rectangular with rounded corners, the translucent white Chalcedony box decorated with two openwork diamond-set hinges and clasp with a cabochon ruby collet, the cover centering a cypher with the letter "I" within a wreath of laurels, surmounted by a diamond-set and crimson guilloché enamelled open crown--