It is most likely an "OB" 10K, made by Ostby & Barton. OB was the largest ring manufacturer around the turn of the century. The cofounder Mr. Engelhart Cornelius Ostby was a well documented Titanic victim...making his rings quite collectible. I am guessing due to the low gold content and the fact that the rings were mass produced, I suspect it is a man-made ruby...typical of the period. Best of luck!
R & D Estate Jewelry & Coins Sturgis, MI
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Go to a Jeweler by: Sharon
I would just go to the best jeweler, tell them you inherited it and would like to know if it's a ruby, in which case you will pay for an appraisal for insurance purposes. If it is a ruby, it could be worth quite a bit and needs to be insured.
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Antique Ruby ring by: Anonymous
Are you planning to keep the ring in the family or sell ?
