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Lonard de Vinci Codex Vallardi . Divers projets d'armes Pointe de mtal plume et encre brune sur papier prpar bleu Partiellement repris la plume et encre brune cm Museum Louvre Drawing of the Codex Vallardi acquired by the Louvre in March to the Milanese antique dealer Giuseppe Vallardi Dessin du Codex Vallardi acquis par le