FIG. 1 is a perspective view showing the new design for a shelf;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a side view thereof, the opposite side view being a mirror image of the side view shown.