Papal Pontifical High Mass of Blessed Pope John XXIII in St Peter's Basilica, Vatican City, Rome. Picture probably taken in 1962, at the beginning of the Second Vatican Council. Note the papal tiaras and the assistance of Eastern rite clergy
Since NYer speculated at a possible papal Tridentine Mass following the release of the Motu Proprio, I thought it would be interesting to read about how a Solemn Papal Mass used to entail. As the article notes, the Pope didn't always celebrate Mass this way.
Papal Pontifical High Mass of Blessed Pope John XXIII in St Peter's Basilica, Vatican City, Rome. Picture probably taken in 1962, at the beginning of the Second Vatican Council. Note the papal tiaras and the assistance of Eastern rite clergy