FIG. 1 is a top plan view of the humidor in the form of a motorcycle gas tank;
FIG. 2 is a left elevational view thereof, the right elevational view being a mirror image thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a rear elevational view thereof.
I claim the ornamental design for a humidor, as shown and described.