It was an Easter 1913 gift for Tsarina Maria Feodorovna from Tsar Nicholas II, who had a standing order of two Easter eggs every year, one for his mother and one for his wife.
The egg left Russia after the Revolution, and ended up in the collection of Mr. Brian Ledbrooke, Esq.
[2] The egg sold for US$9.6 million in an auction at Christie's in New York City in 2002.
[3] It was reported that the buyer was Hamad bin Khalifa Al Thani, the Emir of Qatar.
[4] The exterior of the egg resembles frost and ice crystals formed on clear glass.