I want this to look as authentic as possible.

. :-)The entire reason to provide a proof of funds to a seller is to credibly and authentically demonstrate your intrinsic ability to perform the financial obligations of the contract.

When you tell and show your authentic experience it not only helps others but while you are writing this you can clearly see what went wrong

It's close to all the authentic Asian restaurants, but not too close to get all the crazy drivers (not including myself of course). 

Says he isn't filing his tax return till much later, thus can't produce it nor a balance sheet, income statement nor anything that certifies or authenticates his intel.

While they may be evidence of a lien release, its possible they may dispute them later, also most county offices require a document to be notarized to be filed in their land records, and finally if you go to court a notarized document is self authenticating, meaning you do not need foundation witnesses to establish its authenticity.

Does it have to be authentic, or just similar?

You should want their authentic opinion.

I told him that while the credit report appears authentic almost anyone with a computer could fake a credit report and that the cozy reports are my way of verifying he qualifies for tenancy.My tenant told me she would reimburse the charges and I relayed that to the applicant.Then right before he sent in the application he sent me a link to some reviews of cozy and people saying they reimburse the fees to tenants and highlighted some of them saying "I hope you will consider these reviews for your business?

Also, the seller got a copy of the deed that was recorded from the county and said that it was not authentic and she did not sign it.