I claim the ornamental design for a support column dressing, as shown and described.
FIG. 1 is a perspective view of a support column dressing according to the present invention.
FIG. 2 is a top view of the present invention. The bottom view is the same.
FIG. 3 is a front side view of the present invention. The back side view is the same; and,
FIG. 4 is a right side view of the present invention. The left side view is the same.
The present invention is a new, original and ornamental design for a support column signature which surrounds and/or is fitted onto a support column. The support column is not claimed.
The broken lines are for illustrative purposes only and form no part of the claimed design.