The ornamental design for a cosmeticcase, as shown and described.
FIG. 1 is an isometric view of a cosmetic case showing our new design;
FIG. 2 is a front view of the cosmetic case of FIG. 1, a rear view of the cosmetic case being same as the front view;
FIG. 3 is a left side view of the cosmetic case of FIG. 1; a right side view of the cosmetic case being same as the left side view;
FIG. 4 is a bottom view of the cosmetic case of FIG. 1;
FIG. 5 is a top view of the cosmetic case of FIG. 1; and,
FIG. 6 is an isometric view of the cosmetic case of FIG. 1 in open state.
The broken line showing of portions of the cosmetic case is included for the purpose of illustrating environmental structure and forms no part of the claimed design.