SIBYL DUNLOP 1889-1968 Attrib.
Arts & Crafts Ring
Silver, pink tourmaline & aquamarine
Length: 2.8 cm (1.1 in)
English. Circa 1925
Literature: cf. Jewelry & Metalwork in the Arts & Crafts Tradition,
Elyse Zorn Karlin, 1993, page 54