Vincent van Gogh and the Marijnissen collection
The portret of Kee Vos drew by Vincent van Gogh

In her introduction to “The letters of Vincent van Gogh” Jo van Gogh-Bonger wrote:”They walked and talked much together and also he drew a portret of her- what is lost-   but..........”                                                                                                          was in the Marijnissen collection.
       
2 photos of Kee Vos
To compare with drawing right:       

Same diverge of the nose
Same fixed lips                      
Same heavy eyebrows                 
Same chin                                      
Same face
Kee Vos  Etten 1881
       
part of left drawing