Mark Harris has received this message from the Rt. Rev. Ann Tottenham Area Bishop of the Credit Valley Diocese of Toronto :
"For the record, I celebrated and preached at Southwark Cathedral on November 9, 2009 [sic - correct year is 2002] with the permission of the Powers-That-Be in the C.of E. in the presence of the Diocesan Bishop and fully vested including mitre. It was a public service to celebrate the 10th anniversary of the ordination of women to the priesthood in the C. of E. The only restriction place on me was that I was not to "perform an episcopal function". As I was not planning either a confirmation or an ordination this was not a big deal, though the whole process was aggravating. To my mind this makes the insult offered to the Presiding Bishop even more gratuitous. +Ann"Emphasis added.
The Bishop of El Camino Real in America, Mary Gray-Reeves, and the Bishop of Western Tanganyika in Africa, Gerard Mpango, are visiting The Bishop of Gloucester, the Right Revd Michael Perham. Did +Mary and +Gerard both pack the mitres? Addendum from the comments: "I am happy to report that +Mary did wear a mitre."
Thinking Anglicans points that Presiding Bishop Katharine Jefferts Schori wore a mitre when she preached at Salisbury Cathedral in 2008.