AN UNUSUAL EMERALD AND DIAMOND GOLD-MOUNTED STICK PIN

St. Petersburg, circa 1880, marks partly effaced, stamped with GABG for unrecorded maker's mark, possibly retailed by Karl Edvard Bolin, late 19th century

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The crescent-shaped faceted emerald enhanced with a round diamond, the pin of 14K yellow gold 3in. (7.6cm.) long, in a velvet case stamped K. E. Bolin, St. Petersburg, Moscow