Woodcut illustration divided into four quadrants showing two male heads in the top two quadrants turned three quarters to the right with the one on the left showing proportional lines and measurements, and in the two lower quadrants two heads of the back of a man's head with the one left showing proportional lines and measurements, from Jehan Cousin's Livre de pourtraiture, NLM Call no.: WZ 250 C8673L 1608.
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