The ornamental design for a wallet, as shown and described.
1.-2. Wallet
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Right
1.5 : Left
1.6 : Top
1.7 : Bottom
1.8 : Cross sectional
1.9 : Cross sectional
1.10 : Cross sectional
1.11 : Front view in folded state
1.12 : Back view in folded state
1.13 : Right view in folded state
1.14 : Left view in folded state
1.15 : Top view in folded state
1.16 : Bottom view in folded state
1.17 : Reference view
2.1 : Perspective
2.2 : Front
2.3 : Back
2.4 : Right
2.5 : Left
2.6 : Top
2.7 : Bottom
2.8 : Cross sectional
2.9 : Cross sectional
2.10 : Cross sectional
2.11 : Front view in folded state
2.12 : Back view in folded state
2.13 : Right view in folded state
2.14 : Left view in folded state
2.15 : Top view in folded state
2.16 : Bottom view in folded state
2.17 : Reference view
The broken lines do not form part of the claimed design; the dotted-dashed lines indicate the boundary between the claimed area and the unclaimed area; reproduction numbers 1.8 and 2.8 are cross-sectional views along A-A′ of reproduction numbers 1.2 and 2.2 respectively; reproduction numbers 1.9 and 2.9 are cross-sectional views along B-B′ of reproduction numbers 1.2 and 2.2 respectively; reproduction numbers 1.10 and 2.10 are cross-sectional views along C-C′ of reproduction numbers 1.4 and 2.4 respectively; reproduction numbers 1.11 to 1.16 and 2.11 to 2.16 indicate a folded state of the products; reproduction numbers 1.17 and 2.17 are reference view which do not form part of the claimed design.