Complex sentence: In 1863/4 a marble krater carved in refined low relief was discovered at the site and in 1867 the heroic marble statue of Augustus, the "Augustus of Prima Porta", was found: it is now in the Vatican Museums (Braccio Nuovo).
Split into simpler sentences: In 1863/4 a marble krater carved in refined low relief was discovered at the site. In 1867 the famous heroic marble statue of Augustus, the "Augustus of Prima Porta", was found: it is now in the Vatican Museums (Braccio Nuovo).