Skin Marking Device

FIG. 1 is a perspective angled front view of the skin marking device, which embodies my design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left side view thereof; FIG. 5 is a right side view thereof; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; and, FIG. 8 is a front perspective view of the skin marking device, shown in an environment. In the drawings, the broken lines are for the purpose of illustrating portions of the skin marking device which forms no part of the claimed design.