The ornamental design for a handbag, as shown and described.
FIG. 1 is a front plan view of one embodiment of my new design; the broken lines showing a buckle and tabs for attaching the handle to the handbag, form no part of the claimed design;
FIG. 2 is a top view of the handbag shown in FIG. 1;
FIG. 3 is a bottom view of the handbag shown in FIG. 1;
FIG. 4 is a side view of the handbag shown in FIG. 1, the opposing side view being the same; and,
FIG. 5 is a front perspective view of the handbag of FIG. 1.
The broken line showing of handbag attachments is included for the purpose of illustrating environment and forms no part of the claimed design.