The ancient Greek were used during the Olympic Games to resemble a Golden Laurel Crown of olive leaves.

[iRO Description]
A champion's wreath weaved from rare olive leaves.
Adds 4% bonus experience for each monster killed.
If refined to +5 or +6, adds +5% or 6% respectively.
If refined to +7 adds 8% bonus experience.
If refined to +8 or higher, adds 10% bonus experience.
Bring this to Frank in Geffen to have him change it to a Promethean Crown costume that will keep it's bonus EXP stat.
Class : Headgear
Defense : 0
Location : Upper
Jobs: All