The ornamental design for a handbag, as shown and described.
FIG. 1 is a top perspective view showing my new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a back elevational view thereof
FIG. 4 is a right side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a top plan view thereof
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a front elevational view of a variation of the design of a handbag shown in FIGS. 1-7 showing a braid material used on a portion of the surface of the handbag; and,
FIG. 9 is an enlarged view of the variation of the handbag show on FIG. 8 showing the detail of the braid material.
The broken lines showing a draw string are included for the purpose of illustrating environment and forms no part of the claimed design.