On the Facebook page of Tracy Chevalier
I found this:
Here are Charlotte Bronte's evening pumps, lined with white rabbit fur! Look closely and you can see an imprint of her heel.
On the site of the Bronte Parsonage I found some more information
|Title||black satin slipper worn by Charlotte Bronte|
|Description||black sateen upper, cream inner, flat leather sole, square toe, square vamp, 2 thin black ties (once elasticated?), braid down the side where each tie is attached.|