I claim the ornamental design for a handbag, as shown and described.
FIG. 1 is a front elevational view of a handbag of the claimed design;
FIG. 2 is a rear elevational view of the handbag shown in FIG. 1;
FIG. 3 is a right side elevational view of the handbag shown in FIG. 1;
FIG. 4 is a left side elevational view of the handbag shown in FIG. 1;
FIG. 5 is a top plan view of the handbag shown in FIG. 1;
FIG. 6 is a bottom plan view of the handbag shown in FIG. 1;
FIG. 7 is a front perspective view of the handbag shown in FIG. 1;
FIG. 8 is a front perspective view of the handbag shown in FIG. 1 in an alternate configuration; and,
FIG. 9 is a rear perspective view of the handbag shown in FIG. 1 in an alternate configuration.
The claimed design is shown in solid lines in the figures. The dashed broken lines in the figures represent stitching and are part of the claimed design.