> Storing artifacts in a safe brings up an important consideration: air quality.  My dad stored some important computer disks in his fireproof safe and they had molded.  When he brought them out they were completly unuseable because some type of mold had grown on the surface of the
> floppy disks.  Disks on the shelf next to the safe were unaffected.  After seeing this, I believe that simply assuming that the safe will have the same conditions as the room may not be correct.

Just a word of caution,B. Schirmer