We claim the ornamental design for a wallet, as shown and described.
FIG. 1 is a perspective view of a wallet, showing the new design in an open configuration;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear 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 perspective view thereof, illustrated in a closed configuration; and,
FIG. 9 is an alternate perspective view of FIG. 8.
The broken lines showing credit cards and paper currency in FIG. 1 and a pair of jeans in FIG. 9 depict environmental matter while the invention is in use, and form no part of the claimed design.