We cannot just copy and paste stuff here and expect Lloyds very loyal followers to believe it to be true.
The way I see it as a bystander is that the letter’s authenticity has been confirmed on this thread by an impeccable eyewitness source.
We don’t need to know every detail of ‘proof’.
From the way I see it, MrLE now knows the game is up; he can’t with any veracity deny its contents without risking being called out.