Welcome ... and before you ask and get everyone in an uproar, the answer to your question about storing cigars with the cello on or the cello off, you should know that whichever option you choose, many here will be opposed and many will agree ... you see, we're quite divided on the subject ...
The one thing we ARE almost in total agreement on, however, is that if you choose to store them will the cello on, you should remove it before lighting the cigar ...