Antique Russian 14K Gold bookmark. The bookmark is made in an openwork scrollwork design. The ware is encrusted with a Ruby stone and diamonds. Marked on the backside with a Russian 56 Gold hallmark for 14K gold, crossed anchors mark for St. Petersburg, and the makers mark: ES, possibly for Schramm Edward Wilhelm, born in St. Petersburg in 1839 in the family of watchmaker Christian Schramm. The jeweler, goldsmith, had his own workshop, carried out orders from Faberge and other large jewelry houses. The master had a brand with the image of his initials ES. Specialized in the production of small items made of gold, tokens, jewelry, golden cigarette cases. Russian Gold Bookmarks, Accessories, and Collectibles.