Trades using ONLY in-game currency is allowed. "Gifting" for gold is permitted; however, we cannot enforce this trade between players and you do so at your own risk.
We strongly recommend you use existing marketplace features to avoid such risks.
I forgot if anyone pointed out the Untradable thing on the new forums yet...I'll just say it here in case people don't know.You could always use an Armor Fusion Rune to change the appearance of a Helmet to look like Neamhain's Odd Eye.