BERNARD INSTONE 1891-1987 Arts & Crafts Brooch Silver & citrine Length: 4.6 cm (1.8 in) Width: 3.7 cm (1.4 in) English. Circa 1930 Fitted case Literature: cf. Jewellery & Metalwork in the
Arts & Crafts Tradition, Elyse Zorn Karlin, 1993, page 73