The first is a Pontifical Mass in the Ordinary Form, celebrated by Archbishop Angelo Acerbi.
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Fra' Matthew Festing, the Grand Master of the Sovereign Military Order of Malta
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See the full photo gallery.
The second, a solemn Mass in the usus antiquior. The celebrant was Msgr. Antony Conlon, the deacon, Fr Ronald Creighton-Jobe, Cong.Orat., and the subdeacon, Fr Gerard Deighan.
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A full photo gallery is available here.
All photos courtesy of James Bradley.