Jean Bourdichon
Saints Cosman and Damian
Circa 1503-1508
Manuscript illustration
Bibliothèque Nationale de France, Latin 9474, fol. 355r
In medieval art physicians are often pictured with various kinds of soft headpieces, so these function as attributes for the two saints, as do the
urinal
a glass vessel for examining urine
and the ointment jar.
Read more about images of Saints Cosmas and Damian.
Source: this page at Wikimedia Commons.