The helmet of Mambrino is refers to a fictitious helmet (helmet) of gold pure that to the use it was invulnerable to their carrier, property original of the legendary King moro Mambrino.The possession of the helmet was the ambition of all the Paladins of Charlemagne and Don Quixote de la Mancha uses a basin of Barber believing it to be the helmet of Mambrino, which made him invulnerable.
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