Greek Pilos Helmets with Crests?

[Giannis K. Hoplite]

Paul,i believe the pilos to the right had only feather holders and the loop in the top was not for a crest. This is because in many vases the soft pilos has a loop in the top,from which it is often hung from a wall or from a finger. So i fint it probable that this loop at the top is just the leather or other organic matterial loop transferred into its bronze version.
Khaire
Giannis