The Romanov Tercentenary Egg
is a jewelled Easter egg
made under the supervision of the Russian
jeweller Peter Carl Fabergé
in 1913, for the Tsar
of Russia, Nicholas II
Nicholas presented it as an Easter gift to his wife, Alexandra Fyodorovna.
It is held in the Kremlin Armoury Museum in Moscow.
The egg celebrates the tercentenary of the Romanov
dynasty, and contains eighteen portraits of the Romanov Tsars of Russia.
The surprise is a detailed rotating golden globe, one hemisphere showing Russian territory under Tsar Michael of Russia
in 1613, and territory under Nicholas II in 1913.