14K gold and silver with a half-pearl and a pearl, cabochon-cut sapphires and rubies, as well as old- and rose-cut diamonds and a peridot, 50 X 22 mm, weight 11 g. St Petersburg 1860-1875, also with indistinct Cyrillic master marks possibly Б Е. Possibly purchased from Fabergé
Ludvig Nobel (1831-1888), father of Emanuel Nobel (1859-1932). Thence by descent.