I recently received an email from "a broker" who has a client willing to buy one of my domain: 7 p v a . com (without the space of course) While I hardly try to sell the full site, he's "talking" about more money than my sale. He wants an appraisal (at my expense) first but I'm not sure if it's worth it, since the cost is about 60 Euros. So I need opinions from top domainers and experienced people in the domain field. What could be a fair market value for it?