[Vendome]

Your post is reasonable however the proof of the document in question would have supporting documents. Those would also need to be “faked” and the signatures and the ink would all be different. Such as using a “bic” pen in some places while using a fountain pen in others. The records of the signers would need to be verified as well.

There would be supporting documents in the jacket/folder and envelopes. Those would need to be forged with the appropriate numbers and labels and ink. There would be writing or notations on these items.

I have notes on mine and don't think it would be unusual.

[Salamander]

“I have notes on mine and don’t think it would be unusual. “

That’s probably because yours is real and legal....:)