Retaining Wall Block

FIG. 1 is a rear bottom perspective view;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of FIG. 3 ; and,

FIG. 4 is a front elevational view thereof.

The broken lines depict portions of the “retaining wall block” that form no part of the claimed design.