An octagonal chalcedony bowl

An octagonal chalcedony bowl, cut and polished sides, and two other cut-sided chalcedony bowls smaller, unsigned, 12.8cm. wide (largest) (3) Provenance H.G. Murphy (1884-1939), and thence by descent to the present owner. Two of these bowls appear to be illustrated, being used by Louis Galvin in the preparation of enamels for the Falcon Works animal book ends. Paul Atterbury and John Benjamin The Jewellery and Silver of H.G. Murphy Antique Collector's Club, page 121.