"authentic example" is a correct and usable phrase in written English.
It refers to an example that is genuine and true, rather than one that is fake or fabricated. You can use this phrase when giving an example to support or illustrate a point in writing. For example, "Let me provide an authentic example to demonstrate the effectiveness of this product." or "The museum was filled with authentic examples of ancient artifacts."
Of the latter's work a single authentic example survives, a manuscript of the Qurʾān in the Chester Beatty Library, Dublin.
One is tempted to say that he is the American in Paris: a more authentic example of the type than even Gene Kelly could pretend to be.
While the detection of the careful forger may require an expert, forged literary autographs can often be detected by anyone taking the trouble to compare them with an authentic example.
Margaret Anderson's life, as told by Margaret Anderson, is the all‐too authentic example of that now un believable belief in "life as a work of art" that was once believed in by connoisseurs, dilettantes, epicures at the great feast of art provided by other people.
This example has been used in many studies as an authentic example for time compressing.
Altogether it's a much more authentic example of an old-style Munich beer hall, complete with quiet courtyards and hunting trophies (Neuhauser Strasse 27; 9am–127m).
He takes some of his authentic examples, and shows just where and how they appeared in the various other works of authors.
One of the more authentic examples of this artistic heritage can be found across the road from the market in Ubud at the Puri Salan Palace.
Mr. Curtis, who died late Wednesday, was among the purest and most authentic examples of what a movie star in postwar Hollywood could be.
Even more depressing, though, is the difficulty of finding what I consider authentic examples of these foods at home in New York.
An exemplary workflow is included, and based on authentic examples, we illustrate a number of sampling principles which can be implemented to obtain properly sampled tissue blocks for various purposes.
