The ornamental design for a yarncone, as shown and described.
FIG. 1 is a perspective view of a yarn cone showing my new design, taken
from the front with the upper end slightly tilted forwardly to show the
top thereof, the ridges encircle the cone and all sides are identical to
that shown;
FIG. 2 is an enlarged cross sectional view through the side of the cone,
the portion shown broken away being similar to the portion illustrated;