The ornamental design for a handbag, as shown and described,
FIG. 1 is a front perspective view of a handbag showing my new design;
FIG. 2 is a front view of the handbag shown in FIG. 1;
FIG. 3 is a rear view of the handbag shown in FIG. 1;
FIG, 4 is a right side of the handbag shown in FIG. 1;
FIG. 5 is a left side view of the handbag shown in FIG. 1;
FIG. 6 is a top view of the handbag shown in FIG. 1; and,
FIG. 7 is a bottom view of the handbag shown in FIG. 1.
The broken line showing of the handles, clasp, screws, grommets, rivets, metal rings, hanging leather tabs, and portions of the body of the bag in relevant drawings shows unclaimed subject matter for the design in those drawings.
The break lines shown in the drawings of the handles indicate indeterminate length.