The ornamental design for a displaytreebranch, as shown and described.
FIG. 1 is a perspective view of display branches shown on a Christmas tree in a used condition showing our new design;
FIG. 2 is an enlarged perspective view of a display branch with the mounting nuts and bolts removed showing my new design;
FIG. 3 is a top view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is a left side view thereof.
The tree, tree stand, mounting bolts, nuts and decorative bows shown in broken lines form no part of this invention and are shown for illustrative purposes only.