Fake, the true acid test is as always the taste, I know given that Cuba is a socialist state quality control will not always to par. Which means that not every band is gonna be perfect, however, given that Cohiba is a high end cuban meant orginally an exclusive Castro the only imperfections I know of which Cohiba bands are them not being entirely str8 when put on the stick, "COHIBA" should be in gold but there should only be three rows of dots above.
here is a great site to use
http://cubancigarwebsite.com