Keyboard

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

FIG. 2 is a rear, top left side perspective view thereof;

FIG. 3 is a rear, bottom left side perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a right side elevational view thereof; and,

FIG. 9 is a left side elevational view thereof.

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