FIG. 1 is a top-left perspective view of the new, original, and ornamental design for a display package, showing a product in phantom lines retained on the display package;

FIG. 2 is a bottom-left perspective view of the display package of FIG. 1, showing a product in phantom lines retained on the display package;

FIG. 3 is a top-left perspective view of the display package of FIG. 1, showing the broken line product removed from the display package;

FIG. 4 is a bottom-left perspective view of the display package of FIG. 3;

FIG. 5 is a left side view of the display package of FIG. 3;

FIG. 6 is a top view of the display package of FIG. 3;

FIG. 7 is a front view of the display package of FIG. 3;

FIG. 8 is a right side view of the display package of FIG. 3;

FIG. 9 is a bottom view of the display package of FIG. 3; and,

FIG. 10 is a rear view of the display package of FIG. 3.

The portions of the Figures shown in phantom lines are not part of the claimed design, but are for illustration purposes only.