The ornamental design for an artificial leaffence, as shown and described.
FIG. 1 is a front view of an artificial leaf fence showing my new design;
FIG. 2 is a back view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is an enlarged front sectional view thereof;
FIG. 8 is a front view showing an exemplary use of the artificial leaf fence connected to additional fences;
FIG. 9 is a front view showing an exemplary use of the artificial leaf fence with leaf attachments fastened onto the artificial leaf fence; and,
FIG. 10 is an enlarged perspective view showing an exemplary use of the artificial leaf fence with leaf attachments fastened onto the artificial leaf fence.
The broken lines showing of portions of the artificial leaf fence are for the purpose of illustrating environmental structure and form no part of the claimed design.