what will it matter wether the share you bought is an air share or a real share? it's a share bought and a share that can be sold. they'll have to buy that share back to cover if you decide to sell at that time. i doubt few shareholders, if any, could produce actual share certificates....
the MM's have been putting iou's in people's accounts here for months if you will, while digging themselves a financial crater as the pps isn't going down for them to cover those iou's. The only way to cover them is to raise the pps with a short sqeeze...