The ornamental design for a packagingsheet, as shown and described.
The application file contains a least one drawing executed in color. Copies of this patent, or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a top plan view of a first embodiment of a packaging sheet showing my new design; and,
FIG. 2 is is a top plan view of a second embodiment of a packaging sheet showing my new design.