Can offer cash via mail, WU, or LR
public service message:
When you trade OTC you engage in a transaction with people you possibly know nothing about. You may send your BTC to the person, and never get anything back. Or you may send your $currency to the person expecting BTC, and get nothing in return. This is a highly undesirable outcome for you, and you should do your best to guard against that.
http://wiki.bitcoin-otc.com/wiki/Using_bitcoin-otc#Risk_of_fraudat a minimum, send your coins only to an escrow until the cash has arrived, the western union cash has been picked up or the liberty reserve has transferred.
also it appears this person is willing to engage in illegal trade:
https://bitcointalk.org/index.php?topic=124438.msg1337095#msg1337095