[2] The Duchess of Marlborough Egg is the only large Fabergé egg to have been commissioned by an American, and it is inspired by the cercles tournants (revolving dial) urn clocks in the Louis XVI style with a snake to indicate the time.

During this visit, the Duchess would have almost certainly seen the Dowager Empress' large collection of Fabergé items, which perhaps inspired her to order this egg.

The egg was bought by Ganna Walska, the second wife of Harold Fowler McCormick, chairman of the International Harvester Company of Chicago.

Vekselberg also purchased nine Imperial Easter eggs, as part of the collection, for almost $100 million.

[3] The egg is now housed in Vekselberg's Fabergé Museum in Saint Petersburg, Russia.