The monument of Vettius Agorius Praetextatus

CIL VI, 1779 is a statue base.  Blessedly, a photograph is online at BBAW here, which I borrow (right), together with a transcription and a German translation.  I believe the monument may now be in the Capitoline museum in Rome.[ref]See the website here.  This gives an inventory no, inv. MC0208, and