The ornamental design for a header for a merchandisingdisplay stand or the like, as shown and described.
FIG. 1 is a perpsective view of a header for a merchandising display stand
or the like showing my new design; the broken lines indicate environmental
structure;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof; and
FIG. 4 is a front elevational view, the other sides being identical thereto
.