Price of a lens

[chameleon]

Dunno if this should be in this section or not but I'm selling my Canon 35-135 F4-5.6 with the usm motor. I have no idea what to charge for this.
Anyone have any ideas what the going rate is for one of these?

 

[Flash In The Pan]

An Ebay Completed Items search is a good starting point for determining used prices

 

[huanjia]

I think one of these sold in the market place not very long ago, have a search and see what that guy had got