EXAMPLES FROM THE WEB FOR AUTHENTICITY
In point of authenticity the book is absolutely to be relied upon.
Is it fanciful to suppose that he meant to give the stamp of authenticity to the one and not to the other?
With the authenticity of the matters he retails such a one has no concern.
So that even Gregorovius is forced to doubt the authenticity of that document.
The very language of the original is proof for its authenticity.
I suppose so, but we had reasons for doubting their authenticity.
The authorship guarantees it's authenticity and reliability.
What these poets wished for was a certificate of authenticity at starting.
The authenticity of this translation is doubtful; see Miller's introduction.
The crest on the paper, the postmark on the envelope, convinced him of its authenticity.