Ian: You can read a wee bit about Il Volo Papale (The Papal Flight) on page
5 of the Nostalgia Thread.
As far as I know the SH-3D's are still at Roma-Ciampino (operated by the Aeronautica Militare) but .. are being phased-out and replaced by the AW139 the first of which .. so I believe, is pictured below:
Aeronautica Militare (Italian Air Force) AW139 MM81807 (assigned, afaik, to the [non-exclusive] duties of Il Volo Papale - The Papal Flight) as seen at Rome's Ciampino airport on 10th September 2012 (Photo: Aldo Bidini)