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It is overseen by Mark McDonald, owner of the renowned Fifty/50 Gallery in New York that held an influential exhibition of American modernist studio jewellery in 1984.

Pictured here are two works indicative of the spread of the sale: a silver gilt, mother-of-pearl, cultured pearl and tortoiseshell hair comb designed by Josef Hoffmann at the Wiener Werkstätte from 1909 (estimate $20,000-30,000) and a gold bracelet with an incised signature and date to interior for the Italian sculptor Arnaldo Pomodoro 1965 (estimate $15,000-20,000).