With the bad fakes, it's obvious, with the good fakes, sometimes you're getting an awesome cuban cigar still, it's just technically a fake. Pretty much all the things "aficionado's" use to verify if a cuban cigar is genuine or not has been proven to be false, things like box codes, lack of box stamp on bottom etc.. A box code will come back as genuine and all you have to do is put fake cigars of the same brand in the genuine box and it will come back as authentic. I'm pretty sure I have a box of fake cohiba esplendido's as there's no way you can get a box for 175$ canadian and they came from a cigar factory in cuba, yet they have the same flavor profile, the rolling is seamless and flawless, but if you were to go on a cigar forum and ask, they would definitely say there were fake cohiba's. I also have what I know is a fake cohiba as it's a limited edition 2014 in a size that was never made, but it is still one of the best cigars I've ever smoked, even though it is definitely a fake. About the only sure way to buy genuine cuban cigars is through an LCDH which is a government run habano's cigar store. However every cigar factory in cuba now I think rolls every kind of cuban cigar, so if you buy them direct from the factory you will get them much cheaper then through an lcdh, they just haven't been aged, which I think is the case with my esplendio's, as after 3 years these are amazing cigars. Yet there is no box code stamped onto the bottom of the box, but that has been proven to not be a definite thing as there's so many cigar factories that roll every kind of cuban cigar. Even if you have a genuine cuban cigar some of the stores in cuba don't store them properly so they can get moldy. Basically it's something that will become extremely frustrating the more you look into it. I've heard there are cigar houses in cuba that sell boxes at about a 3rd of the price as the lcdh's, and I wouldn't doubt if they are just freshly rolled cigars, and if you have the patience to wait about 2-3 years before you smoke them, you'll save quite a bit of money in the end if you age them yourself.