St. Ambrose
Fresco
Parish Church of Andelsbuch, Austria
The saint's mitre and crozier signify his role as a bishop. The book is a common feature of his images, referencing his study of scripture.
The beehive refers to an event in the saint's childhood. A swarm of bees buzzed around his mouth, leading his father to predict that he would become a great man.
Read more about images of St. Ambrose.
Source: Wolfgang Sauber via this page at Wikimedia Commons.