The Worn Tuning Fork is a LEGO Universe Item. This Item is virtually worthless, as it can be obtained freely by mail, so users can obtain as many as they like at very high rates. Some MLN members on the LEGO Message Boards have often unsuccessfully attempted to sell these for a price.
How to Obtain
By sending Prof Brickkeeper this Item, he responds with instructions on how to receive the Retuned Tuning Fork Blueprint. Obtaining this Item is the first step in completing the LEGO Universe Campaign and gaining the Friendly Felix's Concert Module.