The ornamental design for a scarf, as shown and described.
FIG. 1 is a front elevational view of a scarf showing my new design, the
rear is a mirror image thereof, the broken away portion is for ease of
illustration;
FIG. 2 is a front elevational view of a second embodiment, the rear is a
mirror image, the difference being the shape of the leaf pattern, the
broken away portion is for ease of illustration; and,
FIG. 3 is a front elevational view of a third embodiment, the rear is a
mirror image, the difference being the shape of the grape and leaf pattern
.