Just noted a detail:
The man is named: Columba, not Colmba as in Paul's transcript.
Columba is an Irish name. See the Irish Columcille.
Could the letter be in reference to the recent Irish yes vote?
Having read Andy Chandler's link, it might be so.
But let's not forget that Aidan of Lindisfarne was also an Irishman, who came to Northern England from the Scottish island of Iona.
Scotus is a Latin translation for Irishman, the name deriving from the Celtic name Scot.
Ever since the Scots marched into Dover, things became more complicated