Hercules Leaning on His Club [recto]

The work reflects the stylistic tendencies of its time, characterized by elongated figures and an emphasis on expressive linework, as seen in the bold use of pen and brown ink.

Parri Spinelli, the artist, was trained in Florence under Lorenzo Ghiberti's workshop and later became a prominent painter in Arezzo, building on the foundation laid by his father, Spinello Aretino.