The ornamental design for a wall mount for a recreational board, as shown and described.
FIG. 1 is a perspective view of a wall mount for a recreational board showing my new design;
FIG. 2 is a front view of the wall mount for a recreational board;
FIG. 3 is a back view of the wall mount for a recreational board;
FIG. 4 is a right side view of the wall mount for a recreational board;
FIG. 5 is a left side view of the wall mount for a recreational board;
FIG. 6 is a top view of the wall mount for a recreational board;
FIG. 7 is a bottom view of the wall mount for a recreational board; and,
FIG. 8 is a perspective view of the wall mount for a recreational board illustrating an example environment of the wall mount for a recreational board.
The broken lines showing the board and straps in FIG. 8 depict environment. The remaining broken lines shown in the figures depict portions of the wall mount for a recreational board. The broken lines form no part of the claimed design.