This is a pure fantasy axe as double bited axes (two bladed) are not effective in combat and apart from some use in early Minoan culture were never used apart as a forestry axe. However it is popular in medieval-fantasy books and films and this is a great axe to have as part of your collection for this genre.
For Live Action Role Playing you do not need iron maille and because you are moving from location to location, having a light kit is important. Aluminium mail is light and easy to maintain. It also forms the basis of a fantastic looking kit for your warrior character.