The ornamental design for a wallet mount for a mobile device case, as shown and described.
FIG. 1 is an elevational front view of a wallet mount for a mobile device case showing our new design.
FIG. 2 is an elevational back view of the wallet mount for a mobile device case.
FIG. 3 is an elevational right side view of the wallet mount for a mobile device case engaged with a mobile device case and in an alternate configuration; the elevational left side view is a mirror image of the elevational right side view.
FIG. 4 is an elevational front view of a wallet mount for a mobile device case engaged with a mobile device case and in an alternate configuration.
FIG. 5 is a front perspective view of the wallet mount for a mobile device case engaged with a mobile device case and in an alternate configuration.
FIG. 6 is a front perspective view of the wallet mount for a mobile device case engaged with a mobile device case and in an alternate configuration; and,
FIG. 7 is a back perspective view of the wallet mount for a mobile device case engaged with a mobile device case and in an alternate configuration.
The broken lines in the drawings are for the purposes of illustrating environment or for depicting parts of the wallet mount for a mobile device case that form no part of the claimed design.