Dr. Wallace: Earliest Manuscript of the New Testament Discovered?

This does look interesting, or it could just be good hype to sell a book: Dr. Wallace: Earliest Manuscript of the New Testament Discovered? - Daniel B. Wallace:

Not only this, but the first-century fragment is from Mark’s Gospel. Before the discovery of this fragment, the oldest manuscript that had Mark in it was P45, from the early third century (c. AD 200–250). This new fragment would predate that by 100 to 150 years.