The ornamental design for a cigarbox, as shown and described.
FIG. 1 is a front perspective view of a cigar box, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a left-side elevation view thereof; and,
FIG. 7 is a right-side elevation view thereof.
In the drawings, the claimed design is defined by shaded surfaces; broken lines immediately adjacent shaded surfaces represent boundaries of the claim and form no part thereof; all other broken lines depict unclaimed portions of the cigar box that form no part of the claimed design.