The ornamental design for a snuffbox, as shown and described.
FIG. 1 is front perspective view of a snuff box. The rear perspective view is the same as the front perspective view.
FIG. 2 is a front view of the snuff box of FIG. 1 rotated about 45° from left to right. The rear view is the same as the front view.
FIG. 3 is a right side view of the snuff box of FIG. 1 rotated about 45° from left to right. The left side view is the same as the right side view.
FIG. 4 is an overhead view of the snuff box of FIG. 1 rotated about 45° from left to right.
FIG. 5 is rear perspective view of the snuff box of FIG. 1. The view in FIG. 5 results from the snuff box of FIG. 1 being flipped over and rotated about 90° from left to right; and,
FIG. 6 is an underside view of the snuff box of FIG. 1 rotated about 45°.
In general, any broken line illustration of environmental structure in the drawing forms no part of the design sought to be patented.