Another commenter clarifies: The authenticity of the water color drawings sheet is undisputed; what was shown to be a forgery – see http://skyweek.wordpress.com

Another commenter clarifies: The authenticity of the water color drawings sheet is undisputed; what was shown to be a forgery – see http://skyweek.wordpress.com/2012/06/26/nuncius-mit-angeblich-von-galilei-selbst-gemalten-bildern-offenbar-komplette-falschung http://skyweek.wordpress.com/2012/06/26/nuncius-mit-angeblic... – was an alleged proof copy of the Nuncius that also contained water colors.