Ways to combat possible mold?

[Jwrussell]

Yep, you should be fine at that. Just make sure you've calibrated your hygro so you know you are getting a good solid reading.

What's your storage like? Humidor? Tupper'dor? Wine Cool'idor? A 4% RH swing isn't crazy, but more than I expect to see in many cases. I assume when you say "holding steady" that you are seeing readings between 64% and 68% at any given time?

 

[Cigary43]

Looks fine to me as well...rub your finger over it as if it's mold you'll see a bluish/green film. If its on the foot of the cigar it's history...

 

[jwyatt55]

Looks like slight wrapper water spots / discoloration. Nothing to worry about