Notification Sign

FIG. 1 is an isometric view of a notification sign showing our new design;

FIG. 2 is a front elevational view thereof showing ornamental features related to a camera, a display, color-coded notification lights, a PA speaker and a time display;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right elevational view thereof showing ornamental features related to a flashing light and a lateral speaker;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side view thereof showing ornamental features related to a flashing light and another lateral speaker; and,

FIG. 7 is a top plan view thereof.

The broken lines depict portions of the notification sign and form no part of the claimed design.