Some box codes I can recognize: (I posted this on a forum somewhere around 2016)
LUB - H. Upmann Factory
MUO - El Laguito (Cohiba)
ULA - Partagas Factory
These are all from 2014, and are the very best grade cigars...
These are very good codes, some better than others:
MOB El L
AME La Corona
These are average box codes, I would try to age these another 5 years)
EML (a few spectacular boxes)
Had some bad boxes as well, and were mostly:
Everyone’s mileage may vary, this is only my opinion.
(note) With Cuban cigars, it matters more with the great crop years, than the factory where they were rolled... For example, the year 2014, all of the factories had an abundance of great wrapper and really good binder and filler, and they all had “some” world class box codes... but, pretty much all ULA, MUO and LUB are world class...