IMHO keeping different cigars together isn't an issue, especially if they are in cellophane. Keep your infused and fire-cured separate.
Really the only cigars I try and keep separate are anything that is infused, or the DE KFC.
Naw...your fine Although let me tell you one thing.
So, obviously you dont want to keep infused cigars next to non infused but I had 12 L40s and 5 Dirty Rats on the bottom of one of my humidor shelves and I stacked a row of Padron's on top of them. The cigars then picked up the petume(stuff they spray on the wrappers) from the Ligas and all the Padron's smelled exactly like a Liga...the Padron bands also soaked up all the oils from the wrapper...the cigars smoked just fine but that just shows (in an exaggerated way) that they do cross mature/age/marry.
I do keep all my Cubans separate from my Nicas.
Well the "petume" DE uses on the Ligas is a mix of tobacco and water (think tea)...they spray it on the wrapper leaf during fermentation to get a more even dark color and that ultra oily look/feel...you've seen how a Liga Privada smokes...its like a damn house on fire! It also makes the cigar very sweet smelling...
Yea...its been explained by a few people at DE factory (while only seen once by the public, actually a member here) Steve Saka has brought it up before as well.
The actual flavor when lit was not noticeable...but the band was translucent from soaking up soo much of that wrapper oil.
Joe, message me if you need a online Cuban source...no need to take a trip when 100% legits can be delivered to your door step ;-)