A large oval brooch, 9cm x 6cm, of organic Art Nouveau design set with cabachons of polished rough opal, of various sizes including a large central stone, the reverse of floral filigree form, marked
A large oval brooch, 9cm x 6cm, of organic Art Nouveau design set with cabachons of polished rough opal, of various sizes including a large central stone, the reverse of floral filigree form, marked 'sterling'.