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Beautiful medal by Ek van Zanten, issued in 1974 for the Association for Medal Art.
The eagle, called eagle in heraldic terminology, is the bird most commonly found on medals. But he is closely followed by the owl. Scientific institutions that are not plagued by a small ego like to use the owl as an attribute; after all, he is the symbol of wisdom. It is not always clear which type of owl is depicted due to the stylization used. That is not necessary, because the symbolic value comes first. Van Zanten based his design for the 400th anniversary of Leiden University on an eagle owl. This large owl has striking ears and unfeathered legs. It has been modeled by the sculptor apparently effortlessly but accurately, the surfaces suggest the plumage into which the head sinks. In the moving background it says in modest lettering: 'Omnium virtutum sapientia princeps'. Of all the virtues, wisdom is the first; a saying by Cicero. The reverse shows a highly simplified map of the city of Leiden, where William of Orange founded the first Dutch university in 1575. The anniversary dates are included within this. The edge inscription gives the Latin name of the city and the motto of the University: Traesidium libertatis'. Stronghold of freedom.