The ornamental design for a merchandisedisplayrack, substantially as shown and described.
FIG. 1 is a perspective view of a merchandise display rack showing my new
design, it being understood that the circular pattern is continuous
throughout the board;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view, the bottom plan view being a mirror image
thereof;
FIG. 4 is a left side elevational view, the right side elevational view
being a mirror image thereof; and