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Fine Art/cezanne etching


Hi Dan,
I have a cezanne etching titled "Portrait of Guillaumin". It has Cezanne's "hangman" signature in the corner (as part of etching). It was authenticated by Justin Turner from Independent Auctioneers, NSW, Australia. The COA states that it is an original etching and has been produced from the original etching plate created by the nominated artist. Can you advise on how i can verify this claim? After acquiring the piece, I have discovered a number of the same etching on the internet, with variable prices. Regards, gabrielle

Yes there are afters of the artists works, so you need new authenticaton. I can refer you to an expert but do not want to post it here. Send a request to:

If you are trying to sell the work, please state that in your email.


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Dan Twyman


I can answer questions about Salvador Dali. While I cannot do FREE APPRAISALS, I might be able to help you sell your works. I can also help with Chagall, Miro, Picasso and other 20th Century Masters.

Questions about a type of art or medium can be answered with one response in most cases. Technical issues are easier to deal with than specifics about an artist. If you need help finding values or history on an artist, it will probably involve research that can sometimes take hours to complete. If you have more than one image to send, I will give you an alternate email address as this system cannot handle multiple images.


Late 70's early 80's Worked for a printer and learned the art or Lithography. Early to mid 80's Managed a publishing company that produced fine art both living and reproductions of the masters. Mid 80's to 2003 Senior Art Consultant with well known broker of Dali, Picasso, Miro, Chagall,Vargas,Max,Warhol and others. 2004 - 2005 Independent Art Consultant. 2005-2006 Beverly Hills Art Gallery(Living Artists) 2006 - Present Salvador Dali Society. Senior Art Consultant.


Publications Various online art publications.

Studied Art History, Methods of printing, Various Mediums. Studied anatomy, sketch art, Complex shading technique, Acrylic technique. Bloch books(Picasso),Salvador Dali publications(extensive). 30 Years life Experience in the arts as an artist, fine art broker,Gallery Director,art consultant.

Awards and Honors
Over 100 awards. Set records in the Art Brokering business.

Past/Present Clients
Major Film Celebs/U.S. Ambassador/ Fortune 500 Company CEO's and high level employees. Over 300 repeat clients in Fine Art. Beverly Hills local and visiting repeat clients.

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