Fabergé egg

The largest collection of Fabergé eggs (10 Tsarist eggs) is kept in the Kremlin.

An excerpt from the article 16 facts about Fabergé egg

After that, the largest was the collection of New York tycoon Malcolm Forbes, which included a total of 15 eggs, including 11 Tsarist eggs. This collection was supposed to be auctioned in 2004, but a few days before it started, it was bought by the Russian oligarch Viktor Vekselberg.

Since 2013, it has been exhibited in the Fabergé Museum in St. Petersburg, created by Vekselberg.