 Mary was an eager collector of objects and pictures with a royal connection.She paid above-market estimates when purchasing jewels from the estate of Dowager Empress Marie of Russia and paid almost three times the estimate when buying the family's Cambridge Emeralds from Lady Kilmorey, the mistress of her late brother Prince Francis.In 1924, the famous architect Sir Edwin Lutyens created Queen Mary's Dolls' House for her collection of miniature pieces.