Gatchina Palace (Fabergé egg) owned by Walters Art Museum
The Gatchina Palace egg is a jewelled, enameled Easter egg made under the supervision of the Russian jeweler Peter Carl Fabergé in 1901, for Nicholas II of Russia. Nicholas II presented it to his mother, the Dowager Empress Maria Feodorovna, at Easter in 1901.  The egg opens to reveal a surprise miniature gold replica of the Gatchina Palace that was built for Count Grigory Orlov and was later acquired by Tsar Paul I. It is one of two Imperial Easter eggs in the collection of the Walters Art Museum in Baltimore, Maryland.Subsequent ownership
In 1920, the egg was in the possession of Alexander Polovtsov, who was a former employee at the Gatchina Palace and later started an antique shop in Paris. It is not known how Mr. Polovtsov acquired the egg. 
In 1930, this egg was sold, along with the 1907 Rose Trellis egg, to American Henry Walters and became a part of the Walters Art Museum Collection in 1931. In 1936, the egg was exhibited with the Rose Trellis egg at the Walters Art Museum in  Baltimore, Maryland, and it has been on permanent display since 1952.