Picture of JF ? or an artist's impression of one ?

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This picture was formerly used to illustrate the article. It isn't clear to me that it is a) in oils , b) authentic or c) out of copyright. Can anyone vouch for it on those points? or indeed identify its provenance ? Elsewhere on the web I can find what seems to me a closely related (less cropped) version of the article picture - if that's a 19-th century portrait in oils, then I'm Sir Edwin Henry Landseer There is an authentic portrait painted in oils 1845 now in the collection of Calderdale Metropolitan Borough Council showing a JF who is noticeably older (and less obviously related to Robert Redford) but otherwise remarkably similar in sitter pose
Rjccumbria (talk) 00:03, 20 May 2015 (UTC)Reply