"Original documents" refers to the first or primary version of a document that was created or produced. It is the initial and authentic record or evidence of something. Full definition
The exhibition brought many of the fascinating case histories referred to in the book to life in the form of original documents, photographs, and paintings. (motherhoodinpointoffact.com)
You must send in original documents or copies certified by the issuing agency to prove your identity. (fedretire.net)
Or if you are ready to spend some money, work with a professional resume writer that can put together a new and original document for you. (theundercoverrecruiter.com)