Keyboard

FIG. 1 is a perspective view of a keyboard showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged view of the encircled area 9 of FIG. 2 .

The dash-dash broken lines depict portions of the keyboard that form no part of the claimed design. The dot-dash broken lines in FIGS. 2 and 9 denote the boundary of the enlarged detail view and form no part of the claimed design.