Reconstructed design 2 from the Sutton Hoo helmet, showing portions known from fragments of the design.
Own work
Information from:

The Sutton Hoo Ship-Burial, Volume 2: Arms, Armour and Regalia” (1978) by Rupert Bruce-Mitford.  The main image is from page 190.
Requested by and knowledge from  Usernameunique
Goran tek-en