Wait for the buyer to leave feedback. When this happens, they should be identifiable - then send them an email linking this thread and explain that they may have bought a fake.
It will be then up to the buyer to take whatever action they deem appropiate.
If the seller knew or had concerns that the knife was fake, the auction was deceptive at best and fraudulant at worst.
Hopefullly the buyer paid via Paypal. If not, I do know that the USPS frowns at mail fraud - which is a federal crime.
Please see: http://en.wikipedia.org/wiki/Mail_and_wire_fraud
Lastly, one could hang out on eBay and purchase a cheap item from the seller - then name and shame them once they had their personal details.
Other than that: Caveat Emptor (Let the Buyer Beware).
It will be then up to the buyer to take whatever action they deem appropiate.
If the seller knew or had concerns that the knife was fake, the auction was deceptive at best and fraudulant at worst.
Hopefullly the buyer paid via Paypal. If not, I do know that the USPS frowns at mail fraud - which is a federal crime.
Please see: http://en.wikipedia.org/wiki/Mail_and_wire_fraud
Lastly, one could hang out on eBay and purchase a cheap item from the seller - then name and shame them once they had their personal details.
Other than that: Caveat Emptor (Let the Buyer Beware).