John Rylands Papyrus
A description of the John Rylands Papyrus can be found on the University of Manchester Library website. If you click on “First side of the fragment” or “Reverse side of the fragment” the website requires you to log in. However, you can see the recto here and the verso here. The papyrus is only 3.5.” x 2.5”.
You can also see the John Rylands Papyrus on Wikipedia.