Back for a seating unit
US D546573 S1
The ornamental design for a back for a seating unit, as shown and described.
FIG. 1 is a perspective view of a back for a seating unit showing our new design;
FIG. 2 is an enlarged left side view thereof, the right side being a mirror image;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof; and,
FIG. 5 is a top view thereof.