The museum, housed in two historic buildings in the medieval hamlet of Cornello and dedicated to the Tasso family and the founding of The Postal Service in Bergamo was opened in 1991. It is divided into four expositions, each presents the developing story of The Bergamasque Postal Service and its founders, the Tasso family. Numerous legal documents pertaining to the managing of the Bergamasque Postal Service and the history of postal services in general can be observed. One such exhibition is a letter dating from 1840 with a famous Penny Black stamp, the first stamp issued in the world. The museum is part of a cultural axis which includes the Mercatorum and Priula – migrant routes, artists, the Tasso family and the Harlequin.