What is claimed is the ornamental design for a shaped panel for a display carton, as shown and described.
FIG. 1 is a top-front perspective view of a shaped panel for a display carton; and,
FIG. 2 is a front perspective view of the shaped panel of FIG. 1.
The portions of FIGS. 1 and 2 shown in broken lines are for illustrative purpose only and form no part of the claimed design. The boundary of the shaped panel is defined by the solid line and the dot-dash lines. The dot-dash lines define a boundary such that the shaped panel extends to the boundary but does not include the boundary.