The ornamental design for a decorativemolding, as shown and described.
FIG. 1 is a back, left-side, and bottom view of decorative molding showing the new design.
FIG. 2 is a back elevation view of the decorative molding.
FIG. 3 is a left-side elevation view of the decorative molding.
FIG. 4 is a bottom plan view of the decorative molding.
FIG. 5 is a back, left-side, and bottom of the decorative molding, with lighting attached.
FIG. 6 is a left-side elevation view, with the lighting attached; and,
FIGS. 7-10 are left-side elevation views of other shapes of decorative molding that have a similar surface appearance and length as shown in the other views.
The broken lines in the drawings represent portions of the decorative molding that form no part of the claimed design.