FIG. 1 is an elevational front view of a headboard according to my new and ornamental design,
FIG. 2 is an elevational rear view thereof,
FIG. 3 is an elevational left side view thereof,
FIG. 4 is an elevational right side view thereof,
FIG. 5 is a top plan view thereof,
FIG. 6 is a bottom plan view thereof,
FIG. 7 is a perspective left front view thereof,
FIG. 8 is a perspective right front view thereof,
FIG. 9 is a perspective left rear view thereof; and,
FIG. 10 is a perspective right rear view thereof.
The broken lines in the figures illustrate environmental subject matter that forms no part of the claimed design.