Possibly out-of-universe?[]
Was any of this information in the Whoniverse, outside of "Harriet Jones was given one of these"? – The preceding unsigned comment was added by Tybort (talk • contribs) .
- To answer my own question: no. At least not in The Christmas Invasion. -- Tybort (talk page) 22:56, October 25, 2013 (UTC)