REMOVE

1. black chalk or charcoal; fra …

WHAT

1. Drawings and Watercolors (1)
2. black chalk or charcoal; … (1)

WHERE

1. European; Northern Europe … (1)

WHO

1. Leyden, Nikolaus Gerhaert … (1)
2. The Cleveland Museum of A … (1)

WHEN

1. 1465 (1)
2. 1475 (1)
3. 1577 - 1640 (1)
4. c. 1470 (1)