The ornamental design for a neckscarf, as shown and described.
FIG. 1 is a front perspective view of a neck scarf;
FIG. 2 is a front perspective view of the neck scarf, as shown in alternative configuration;
FIG. 3 is a rear perspective of the neck scarf shown in FIG. 2;
FIG. 4 is an exploded top plan view of the neck scarf shown laid flat;
FIG. 5 is a bottom plan view of the neck scarf shown laid flat;
FIG. 6 is a bottom plan view of the neck scarf shown in FIG. 5, but shown folded in half;
FIG. 7 is a front perspective view of the neck scarf, as shown in an alternative configuration; and,
FIG. 8 is a front perspective view of the neck scarf, as shown in an alternative configuration.
The broken-line outline of the partial human figure assists in illustrating how the claimed design may appear when worn, but forms no part of the claimed design.