OK, now focus on the table Carole is resting upon; yes, I know you're easily distracted by her attractive face, pensive in thought, or by that seductive, silk-stockinged leg...but look at it nonetheless:
Between the bowl and the lamp are two brushes. One of them has been found by The Lombard Archive, and Carole Sampeck has sent pictures of it:
As you can tell, it's shaped to resemble a woman's curves, and it also features an engraving of a woman. I'm pretty certain it belonged to Lombard and wasn't simply a movie prop -- it looks much too fancy to be just that -- but I'm hoping Ms. Sampeck, who was generous enough to provide these pictures, can fill us in further on what she knows about it.