A good number of Faberge frames some showing the Romanovs, and some minatures, are to be found in the Royal Collection of Her Majesty the Queen. There are also some of the Tsar's cigarette cases, personal belongings, like Alexandra+'s walking stick+, and even a bust of Tsar Alexander III. The best view of the Romanov items in the Royal Collection are in the book
Faberge in the Royal Collection - by Caroline de Guitaut.