Shelf

FIG. 1 is a front, right-side, and top perspective view of a shelf showing my new design;

FIG. 2 is a fragmentary, enlarged view of FIG. 1 ;

FIG. 3 is a fragmentary, front, right-side, and bottom perspective view thereof;

FIG. 4 is a fragmentary, enlarged view of FIG. 2 ;

FIG. 5 is another fragmentary, enlarged view of FIG. 2 ;

FIG. 6 is a fragmentary, front elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a cross-sectional view taken in the direction of line VIII-VIII of FIG. 7 .

The dashed broken lines depict portions of the shelf for which no design protection is claimed.