James Robinson, Inc.
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A Platinum mounted Sapphire, Ruby, Diamond, & Pearl American Flag Brooch, by Oscar Heyman, New York, circa 1917, 1 5/16 inches wide and 7/8 inches high.
Description
Founded in 1912, the firm of James Robinson is best known for its outstanding jewelry of the 19th century and art deco jewelry of the 20th century; antique silver of the 16th through 18th centuries; antique porcelain services from England and the Continent; and antique table glass.