Anchor

FIG. 1 is a bottom, front, right perspective view of an anchor showing our new design; FIG. 2 is a top, rear, left perspective view thereof; FIG. 3 is a left side elevational view thereof; FIG. 4 is a front elevational view thereof, the rear elevation view being a mirror image thereof; FIG. 5 is a right elevational view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. The broken lines in FIGS. 1 , 2 , 4 , 5 , 6 , and 7 represent portions of the anchor, and form no part of the claimed design.