The ornamental design for scarf, as shown and described.
FIG. 1 is a top view of a first embodiment of the scarf, the bottom view being a mirror image thereof;
FIG. 2 is a side view of the scarf shown in FIG. 1, the opposite side view being a mirror image thereof;
FIG. 3 is a left end view of the scarf shown in FIG. 1, the right end view being a mirror image thereof;
FIG. 4 is a top view of a second embodiment of the scarf, the bottom view being a mirror image thereof; and,
FIG. 5 is a side view of the scarf shown in FIG. 4, the opposite side view being a mirror image thereof, and wherein the left end view of the scarf shown in FIGS. 4 and 5 is identical to the scarf shown in FIG. 3, and the right end view being a mirror image thereof.
The features of the article shown in broken lines in the drawings form no part of the claimed design. The bracketed separations shown in FIGS. 4 and 5 indicate that the precise length of the scarf at theses points is not claimed.