Not sure who would want to buy them or sell them. Plus they could be stolen or lost shares. The change of ownership needs to be documented and there are rules with that. Here are a couple of links that might help. http://www.sec.gov/answers/dfnctco.htm http://wiki.fool.com/How_Do_I_Sell_a_Stock_Certificate_to_a_Friend%3F http://www.sec.gov/investor/pubs/holdsec.htm are you the buyer or the seller?