The ornamental design for the window valance, as shown and described.
FIG. 1 is a pictorial view of the window valance of the present invention
from the right front side thereof; and
FIG. 2 is a front view of the window valance shown in FIG. 1; and,
FIG. 3 is a left side view of the valance shown in FIG. 1, the right side
view being a mirror image thereof.
The position of some of the folds and stitched edges varies in the
disclosure due to the flexible nature of the design. The undisclosed back,
top and bottom form no part of the claimed design.