A Soviet-Era Russian Silver and 14-Karat Gold Cigarette Case Maker's Mark Cyrillic PF, St. Petersburg, Early to Mid-20th Century the lid with applied letters and symbols of Soviet Russia with later enameling, the 14-karat gold thumb piece with an inset blue cabochon. marked with '875' standard on interior base and lid and having a '583' gold standard on thumbpiece 6 ozt 5 dwts gross Width 4 inches.