If she's currently employed at another nearby hotel, check into the hotel where she now works for a night, run your fingers along the top of the picture frames checking for dust, open every drawer and cupboard in every piece of furniture in the room, and spend several minutes crawling around in the floor in your room looking under things.
Checkingthe provenance of furniture and verifying who made thepiece independently is also important, particularly since throughout history, lots of furniture makers have imitated the style of particularly notable craftsmen.