The inscription reads:
INSIGNE · RELIGIONIS · ATQVE · ARTIS · MONVMENTVM
VETVSTATE · FATISCENS
PIVS · SEPTIMVS · PONTIFEX · MAX(IMVS)
NOVIS · OPERIBVS · PRISCVM · EXEMPLAR · IMITANTIBVS
FVLCIRI · SERVARIQVE · IVSSIT
ANNO · SACRI · PRINCIPATVS · EIVS · XXIIII
(This) monument, remarkable in terms of both religion and art,
had weakened from age:
Pius the Seventh, Supreme Pontiff,
by new works on the model of the ancient exemplar
ordered it reinforced and preserved.
In the year of his sacred rulership the 24th
