Quote Originally Posted by Kenyth
In a vacuum, water and volatiles will evaporate very quickly. I can't see how this would work without drying the cigar out, although oxidizing would be prevented. Hermetically sealing them in an oxygen free neutral gas such as Carbon Dioxide at the proper humidity would probably work. CO2 is an excellent presevative.
I would think something nice and inert, like nitrogen, would work better...