Quinnell, capped 52 times for Wales, will represent the world-famous Barbarians in the Spring Festival of Rugby 2003 at Cardiff Arms Park on Saturday 31 May.
To get your hands on the ball you will need to place a bid on the auction page Click here to start bidding. The auction ends on June 7 2003 at 17.04 (UK time)
From that point, you will be able to bid for a brand new Barbarians shirt, again signed by Quinnell.
The shirt, manufactured by Cotton Traders, is the latest Barbarian shirt in the classic black and white hoops. It is available to purchase exclusively on the WRU website right now! - Click here to get hold of one...
However, the get your hands on the real prize - the signed ball - you will need to place a bid on the auction page.
To place a bid for the ball...simply click HERE