FIG. 1 is a front perspective view illustrating an upper surface, left side and front of a portion of a packaging carton, the boundaries of the claimed portion being shown by dot-dash lines;
FIG. 2 is a rear perspective view illustrating a lower surface, right side and rear of the portion of the packaging carton of FIG. 1;
FIG. 3 is a front perspective view illustrating an upper surface, left side and front of an alternative embodiment of a portion of a packaging carton, the boundaries of the claimed portion being shown by dot-dash lines; and,
FIG. 4 is a rear perspective view illustrating a lower surface, right side and rear of the portion of the packaging carton of FIG. 3.
The broken lines in the figures showing other portions of a packaging carton are for illustrative purposes only and form no part of the claimed ornamental design.