A silver-gilt cloisonne and en-plein enamel napkin ring
marked with Cyrillic initials of Fedor Ruckert, Moscow, 1908-1917
Oval, enamelled with varicoloured geometric motifs in the pan-Slavic style, enclosing an en-plein plaque depicting a young courting couple, engraved inside in Russian 'In fond memory to my dear friend Pavel Vasil'evich, Kharkov 1913', marked on rim2Ѕ in. (6.3 cm.) long