Lockbox

FIG. 1 is a perspective view of a lockbox, showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing the side feature and the bottom features are for the purpose of illustrating portions of the lockbox that form no part of the claimed design.