Ring

FIG. 1 is a top and front perspective view of a ring showing my new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a side view thereof; FIG. 5 is an opposite side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. The broken lines shown illustrate portions of the ring that form no part of the claimed design.