I claim the ornamental design for a decorative hanger, as shown and described.
FIG. 1 is a perspective view of the decorative hanger according to the present invention.
FIG. 2 is a top plan view of the decorative hanger according to the present invention.
FIG. 3 is the rightside plan view of the decorative hanger according to the present invention.
FIG. 4 is a front view of the decorative hanger according to the present invention.
FIG. 5 is a bottom plan view of the decorative hanger according to the present invention.
FIG. 6 is a rear view of the decorative hanger according to the present invention; and,
FIG. 7 is a leftside view of the decorative hanger according to the present invention.
The broken line showing of partial hook elements and structure is included for the purpose of illustrating environment and forms no part of the claimed design.