click here lists it at around £30.
But, unless there's a particular reason for this webcam, why not have a look at the D-Link NetEasy Pro 350?
It's a full spec webcam with a proper CCD sensor and is the equivalent of webcams costing two, three or four times as much. I have one - it is excellent.
click here offers it for around £20 and, when featured on its TodayOnly page, throws in a D-Link radio as well...