The Alexander III Equestrian Egg is made in 1910, for the last Tsar of Russia, Nicholas II presented to his mother the Dowager Empress, Maria Fyodorovna, wife of the previous Tsar, Alexander III.

The Catherine the Great Egg (or The Grisaille Egg), four-color gold, diamonds, pearls, 1914. Presented by Nicholas II to Dowager Empress Maria Fyodorovna. Hillwood Museum, Washington, DC, USA.