Boniface VIII in the Lateran fresco
The fragment in the Lateran Basilica was part of a bigger fresco cycle formerly in the Loggia delle benedizioni. Interpretation of the fresco is controversial. Recent diagnostic analyses seem to confirm the old interpretation that Boniface VIII is portrayed while announcing the Jubilee of 1300. The attribution to Giotto is unconfirmed
Enciclopedia dell'arte medievale,by Istituto dell'Enciclopedia italiana, vol. VI (Erfurt-Giustiniano), Roma 1995