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.
Helm is a word of origin Germanic helm, part of the armor that protects the head and the face of the Warrior so the helmet of Mambrino, is refers to a helmet of gold and the name of Mambrino would proceed of the writer Italian of novels of cavalry called Mambrino Roseo, in the novel the helmet of Mambrino was a helmet of gold that belonged to the King moro Mambrino and to the put is it it was invulnerable