I claim the ornamental design for the LED holder for a retail shelf, as shown and described.
FIG. 1 is a perspective view of the LED holder for a retail shelf;
FIG. 2 is a rear view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a side view thereof showing the side opposite that shown in FIG. 4;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines show portions of the article that form no part of the claimed design. The article is shown with a symbolic break in its length. The appearance of any portion of the article between the wavy break lines forms no part of the claimed design.