Sounds very risky. Not only does Uthgaard run sting operations where he tries to sell platinum himself, but they also monitor for transactions that large. You're far better off getting twink gear "from a friend" that not only can you confirm the identity of, but that you've had a lengthy correspondance with when dealing with real money transactions on Project 1999.
EQEMU servers are so small it's easy to keep a watchful eye over everything. They also monitor these forums.