Keyboard

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

FIG. 2 is an exploded top perspective view thereof;

FIG. 3 is an exploded top plan view thereof;

FIG. 4 is an exploded left-side elevational view thereof;

FIG. 5 is an exploded right-side elevational view thereof;

FIG. 6 is an exploded front elevational view thereof; and,

FIG. 7 is an exploded rear elevational view thereof.

The bottom plan view of the keyboard is not claimed. The broken lines depict portions of the keyboard that form no part of the claimed design.