FIG. 1 is a perspective view taken from the top, front and left side of a sink embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view taken on line 3--3 of FIG. 2;

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 2; and,

FIG. 5 is a cross-sectional view taken of line 5--5 of FIG. 2.

The fragmentary broken line representations of mounting holes in FIGS. 1 and 2, an overflow hole in FIGS. 1 and 3 and a countertop in FIG. 1 are for the purpose of illustration only, and form no part of the claimed design.