Keyboard

FIG. 1 is a perspective view from the upper front, right side of the keyboard showing our new design;

FIG. 2 is a perspective view from the upper back, left side thereof;

FIG. 3 is top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines depicting portions of the keyboard form no part of the claimed design.