School of Leiden does not have an image.

School of Leiden
Painter
(ca. 1500 - ca. 1600)

possibly "Leiden 'Fine' painters" (Netherlandish painters, active ca. 1630-ca. 1760) [500126132]
Baker: School of Leiden, ca. 1500-1550
Clisby: School of Utrecht, late 16th - early 17th century
Herman Collection notecard (in file): School of Haarlem, ca. 1600
Youngner: School of Haarlem, ca. 1600

Some information from Getty's Union List of Artist Names ® (ULAN)