The ornamental design for a wallet, as shown and described.
FIG. 1 is a perspective view of a wallet showing my new design with the
rear flap up and the forward flap partially down;
FIG. 2 is a front elevational view thereof with the flaps closed, the
dotted line disclosure of a portion of a belt being for illustrative
purposes only, and not a part of the claimed design;
FIG. 3 is a top plan view of FIG. 2; and
FIG. 4 is a right side elevational view of FIG. 2.
FIG. 5 is a rear elevational view thereof with the flaps closed.