The Gjermundbu helmet is a Viking Age helmet.
Gjermundbu Helmet
Viking Age arms and armour
Knowledge about military technology of the Viking Age is based on relatively sparse archaeological finds, pictorial representations, and to some extent on the accounts in the Norse sagas and laws recorded in the 12th–14th century.
Viking landing at Dublin, 841, by James Ward (1851-1924)
Viking swords displayed at Hedeby Viking Museum
A Danish axe on the Bayeux tapestry
Modern reproduction of a Dane axe