Here’s a pic; don’t know how to do screen shots:
http://www.dailymail.co.uk/news/article-1390535/Obama-London-visit-2011-President-signs-Westminster-Abbey-guestbook-2008.html
Thanks.
The “2008” looks more like “200B.” There’s a line at the top of the numeral “8” as if BO was writing “2007” and corrected it to read “2008” instead.