Peter Carl Fabergé, Imperial Red Cross Easter Egg, 1915, gold, silver gilt, enamel, glass, ivory, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/140001

Peter Carl Fabergé, Lapis Lazuli Easter Egg, c. 1885–90, gold, enamel, lapis lazuli, pearls, diamonds, rubies, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/142723