This is a great picture. I’ve come to really like Matt Smith, and I love moments like this that tie him into the greater continuity. Another such moment is in Vincent and the Doctor when he’s testing the identification machine, which also refers to the Hartnell image.
Here, this actually looks like a library card from 1963, typewritten. As an anachronist, I just eat this up. Here’s a zoom-in on the hi-def version: