This rare Antique Ostby & Barton 10K White Gold Filigree Pin/Brooch with Diamond is in stunning condition and was made by one of the premier jewelry makers of the day. This elegant and refined brooch will make a lovely keepsake for a grad, bride-to-be or the perfect anniversary gift.
Last photo shows diamond testing results with Diamond Selector II. A jewelry manufacturing company, was founded in 1879 when Engelhart Cornelius Ostby and Nathan B. Barton formed their business partnership. In 1912, Ostby was 64 years, 3 months and 28 days old when he perished on the Titanic with 1,500 others. With her brother Harold and his daughter, the three became joint owners of the business their father had begun in 1879.
(referenced from articles on google). This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Brooches & Pins". The seller is "cleaningclosets7775" and is located in this country: US.
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