Is this Leonardo da Vinci drawing a £100m masterpiece...or a worthless forgery

Sadie Nicholas (2015). Is this Leonardo da Vinci drawing a £100m masterpiece...or a worthless forgery. Express. 30 November.

Title Is this Leonardo da Vinci drawing a £100m masterpiece...or a worthless forgery
Publication Date 30th Nov 2015
Author
Source Express
Country United Kingdom
Region Europe
Art type Art
Subject Fakes
Comments A forger alleges that the alleged Leonardo is his own fake.
Link http://www.express.co.uk/news/history/623077/Leonardo-da-Vinci-La-Bella-Principessa
Permalink https://web.archive.org/web/20151130124835/http://www.express.co.uk/news/history/623077/Leonardo-da-Vinci-La-Bella-Principessa