The ornamental design for a monitorsheath, as shown and described.
FIG. 1 is a perspective view of a monitor sheath showing a first embodiment of the claimed design;
FIG. 2 is a front view of a monitor sheath showing a first embodiment of the claimed design;
FIG. 3 is a rear view of a monitor sheath showing a first embodiment of the claimed design;
FIG. 4 is a lengthwise side view of the left side of a monitor sheath showing a first embodiment of the claimed design;
FIG. 5 is a lengthwise side view of the right side of a monitor sheath showing a first embodiment of the claimed design;
FIG. 6 is a widthwise side view of the bottom side of a monitor sheath showing a first embodiment of the claimed design;
FIG. 7 is a widthwise side view of the top side of a monitor sheath showing a first embodiment of the claimed design;
FIG. 8 is an expanded view of a portion of the lengthwise side view of the right side of a monitor sheath showing a first design as designated in FIG. 5; and,
FIG. 9 is an exploded view of the components of a monitor sheath showing a first embodiment of the claimed design.
The broken away symbols indicate the appearance of any portion of the article between the break lines forms no part of the claimed design.