Features a marquise shaped table or flat cut ruby or simulated ruby jewel. It is marked on the inside of the band - O B. 10K followed by the highly sought after maltese cross mark that denotes that the piece was handcrafted by the famous Engelhart Ostby himself - followed by three consecutive dots. It is a dainty size 2 1/2 or 2.5 - I honestly do not know if it is sizable or not.Weighs 2.4 grams on my scale. This particular ring had to have been made prior to 1912. OB jewelry is treasured and collected for it's beautiful craftsmanship as well as historical significance. Their jewelry is hard to find, especially in good condition, and is escalating in both popularity and value.
Ostby studied at the Royal School of art and became a successful jeweler / goldsmith in his hometown of Oslo, Norway. After emigrating to America in 1869, he settled in Providence, Rhode Island and worked for several jewelry firms there. In 1879 the formed a partnership with Nathan B. Barton and created their business of Ostby & Barton. Engelhart was the founder and president of O & B Company, director of a bank and a trustee at another in Providence, named in a 1894 trade publication (The Jewelers Circular and Horological Review) as one of the directors of The Jewelers Board of Trade, and was also known for his charitable acts.He unfortunately perished on the RMS Titanic in April of 1912. Fantastic vintage condition - no damage or quirks to mention at all. View & enlarge photographs to closely inspect fine details and to determine the amount of patina, and/or wear.
Most older pieces by nature normally have some degree of both and, unless severe, aren't considered damaged. I will note anything glaring or distracting.
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The seller is "gwenmariec" and is located in this country: US. This item can be shipped to United States.