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A woodcut printer's mark or emblem depicting a female figure in classical armor and a helmet (Minerva, the goddess of wisdom) standing next to an olive tree. A scroll entwined around the tree trunk bears the motto "Do not stray beyond the olive trees" original: "NE EXTRA OLEAS"; this was the trademark of the Elzevir publishing house, a proverb meaning to stay within the boundaries or stick to the subject. At the base of the tree, on a small patch of ground, sits an owl, a traditional symbol of wisdom.