How can I find out how much my Prada bag is worth?

I have a Ciclamino Bufalo Metal Prada bag and I'm planning on selling it online. Can someone help me with finding out how much its worth? Thanks!|||Great website to sell used designer bags is http://www.bagborroworsteal.com/private-鈥?/a> They will make you an offer if you decide to sell it. I also think you can find how much is it worth.|||google should help