Someone trivially wrote that it is a sandwich but, believe me, it is so much more.
A Saltimbocca is a Totally Artisan Product.
The Neapolitan Saltimbocca is made with pizza bread.
You can stuff your Neapolitan Saltimbocca with really exquisite combinations, which you can vary according to your personal tastes. The most popular combination is Prosciutto and Mozzarella.