Faust Brothers Building - Credit: Wikimedia Commons
Faust Brothers Building, also known as the Trading Post, is a historic retail building located at Baltimore, Maryland, United States. It is a five-story brick commercial building with a cast-iron façade above an altered storefront, erected about 1875. It is the only known example of cast-iron fronts on the front and back sides. Read more on Wikipedia
Source: en.wikipedia.org