Lalla Hadria calligraphy

I've been messing about with calligraphy most of my life and, in fact, took Arabic in college just because I loved the calligraphy, so I really loved the matchless examples they had here. These two tiles are Moroccan, the top on from the 14th-15th century, and the bottom one from the 17th-18th century:

A 19th-century religious text from sub-Saharan Africa, with numerous annotations, as you can see:


Some kind of decorative imperial diploma from the Ottoman period, 1323 A.H. (about 1905)