Actually its not a ‘real’ postcard but I did see some just like it.
Stairway to Heaven or Hell?
These steps on the inside of the Basilica di Santa Maria del Fiore (English: Basilica of Saint Mary of the Flower) the Cathedral church of Florence, Italy. The Doumo, as it is ordinarily called is one of Italy’s largest churches, and until development of new structural materials in the modern era, the dome was the largest in the world. [...]