Influences of writing can be seen at the joints of the shoulders (for example at b or n) and the open gaps of B and R. Note also the upper serifs (e.g. i or n) and the drops of a or f.
The italics are relatively wide and have calligraphic forms such as the downward strokes on m and u.
First sketch by Georg Salden from 1999.
A more detailed drawing of Essenz by Georg Salden.