Did Jack the Ripper paint this? New painting by Walter Sickert emerges after 80 years

A previously unknown painting by Walter Sickert - the artist believed by author Patricia Cornwell to be Jack the Ripper - is set to fetch up to £60,000 when it goes under the hammer next month.

http://www.telegraph.co.uk/culture/art/art-news/8338023/Did-Jack-the-Ripper-paint-this-New-painting-by-Walter-Sickert-emerges-after-80-years.html