For beginners particularly the standard works on Montblanc are recommended, e.g. the books by Jürgen Lehmann and book reviews with ISBN information in the forum section 'Articles'. The forum search function and older threads also already answer many recurring questions on model designations, value determination and authenticity check. Beginner questions are expressly welcome on the forum if a minimum of research has been done beforehand. The forum rules emphasise polite handling and differentiated discussion.