Cigar "Bloom or Plume"
Not to be confused with blue-mold, cigar bloom or plume is a good sign. It is a reaction between moist air and the aromatic oils in a cigar.
What bloom or plume signifies is the proper RH or Relative Humidity has been achieved. If your cigars have this light grey mist on them, use a soft cloth to wipe away mist, and enjoy.
If however, you see mold which is greenish-blue in color and gives...