10k Gold Edwardian to Victorian Ostby Barton Turquoise Ring. This special ring was made Ostby & Barton, producers of fine jewelry, established in 1879. Sadly, Ostby perished on the Titanic in 1912. This beautiful ring features Persian “Sleeping Beauty” turquoise in a beautiful robin’s egg blue. The ring is Size 5 but eminently resizable. The stone is approx. 5 mm. Hallmarks: O 10K B 10Kt Gold Ostby Barton Turquoise Ring
