The CV-6 wasn't in one of the drawings hanging on the wall of Archer's ready room. That aircraft carrier was the CVN-65. Then again his wall was missing the ringship as well.
The displays of historic vessels named Enterprise are always missing some ships. They're always incomplete no matter what year the display was made.
Here's the site I was talking about. John Eaves did do a drawing of the CV-6, but it didn't make it to the wall of Archer's ready room.
