Can't contact buyer

[Anonymous]

I sold an item on the 16th May, the buyer paid straight away and said he'd arrange a courier for collection. 

I've had no contact from him since the 22nd May and he's isn't answering messages. What can I do? 

[red_magpie]

See: http://www.ebay.co.uk/sch/ebayadvsearch?_sofindtype=9