Originally Posted by
JIMCHI
On the back there is suppose to be a heat sensitive security icon. It says the icon should change if you put your thumb on it. None of mine change in the least. Anyone else?
Maybe you got counterfeit certificates
! Or perhaps your hands aren't warm enough. Actually, if you breathe on the icon, it briefly disappears. Unless, of course, you got the ones the COSTCO clerk color copied when he took the originals for himself.
