What city is the Gatchina Palace Egg in?
Gatchina Palace (Fabergé egg):  It is one of two imperial Easter eggs in the collection of the Walters Art Museum in Baltimore, Maryland. Walters Art Museum: The Walters Art Museum, located in Mount Vernon-Belvedere, Baltimore, Maryland, is a public art museum founded and opened in 1934.
Mount Vernon-Belvedere, Baltimore, Maryland