@iamluke
Egon Schiele, Mother and Child, 1916, pencil on paper; private collection.
A recent discovery by Jane Kallir and Kerstin Jesse, curators of the upcoming show at the Leopold Museum, may change the market of this artist: his sister's first born who was not known up until now.
A great article by the WSJ: https://www.wsj.com/style/egon-schiele-artist-history-eb2480e8.