I am trying to develop my ability to tell real stuff from fakes online. These are fake right?http://www.ebay.com/itm/RED-WHEATON-SKULL-AND-CROSSBONES-POISON-BITTERS-BOTTLE-/221523055733?pt=LH_DefaultDomain_0&hash=item3393cd9475 Also why do some bottles not have a maker's mark on the bottom?Lisa