It is held in the Kremlin Armoury Museum in Moscow, and it is one of the few imperial Fabergé eggs that were never sold after the Russian Revolution.
[1] The Alexander Palace egg is made of Siberian nephrite, diamonds, gold, rubies and miniature watercolor paintings on ivory.
The outside of the egg contains five miniature watercolor portraits of the children of Nicholas II and Empress Alexandra: Olga, Tatiana, Maria, and Anastasia and the Tsarevitch Alexei.
The remainder of the egg's surface is divided by five vertical lines, studded with diamonds and connected with one another by gold garlands inlaid with rose and ruby flowers.
[2] The surprise is a detailed replica of the Alexander Palace, the Russian Imperial family's favorite residence in Tsarskoye Selo.