Escutcheon

FIG. 1 is a top, front, right side perspective view of an esutcheon showing our new design; FIG. 2 is a bottom, front, left side perspective view of FIG. 1 ; FIG. 3 is a front elevation view of FIG. 1 ; FIG. 4 is a left side elevation view of FIG. 1 ; FIG. 5 is a right side elevation view of FIG. 1 ; FIG. 6 is a top plan view of FIG. 1 ; and, FIG. 7 is a bottom plan view of FIG. 1 . The broken lines in the drawing figures illustrate portions of the escutcheon that form no part of the claimed design.