The Chordiana (which was available in alternative color schemes) is of somewhat different design, so I was incorrect in saying it is the same instrument as the Sorrento. Possibly it’s from the same manufacturer.
https://lucy421.smugmug.com/Other-1/Italian/SorrentoChordiana/i-DCtHktG/A
https://lucy421.smugmug.com/Other-1/Italian/SorrentoChordiana/i-snr38sv/A