I claim the ornamental design for a wallet, as shown and described.
FIG. 1 is a front elevation view of the wallet;
FIG. 2 is a rear elevation view of the wallet of FIG. 1.
FIG. 3 is a left side elevation view of the wallet of FIG. 1.
FIG. 4 is a right side elevation view of the wallet of FIG. 1.
FIG. 5 is a bottom plan view of the wallet of FIG. 1.
FIG. 6 is a top perspective view of the wallet of FIG. 1 in an open position.
FIG. 7 is a right perspective view of the wallet of FIG. 1 in an open position; and,
FIG. 8 is a left perspective view of the wallet of FIG. 1 in an open position.
The short dashed lines in the drawings represent stitch lines and do not form part of the claimed design. The long dashed lines in the drawings represent unclaimed portions of the article and forms no part of the claimed design.