FIG. 1 is a front perspective view of a wall attachment holder for a display device;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the side opposite being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

The broken line showing of a display device in all figures is for illustrative purposes only and forms no part of the claimed design.