There's nothing new here, but as long as the claim about the early date continues to be repeated, we should continue to respond to it. The fragment was supposed to have been published five years ago.
It is not promising that the dating of this Mark manuscript to 80-110 CE appears alongside that claim that the Rylands fragment of the Gospel of John (P52) dates to c. 125 CE. On that, see here, here, and here, and links.
For more on the supposedly first-century manuscript fragment of the Gospel of Mark, see here and links.
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