Overall: 8 3/4 x 8 3/4 x 1 in. ( 22.2 x 22.2 x 2.5 cm )
printed in red and black: on obverse: "IN CASE OF / FIRE / IN THIS BUILDING OR VICINITY, / DIRECTIONS. / Open the door / and PULL the / HOOK once, all / the way down / and let go. / The KEY will / be returned to / you. / SEIND IN THE ALARM AT ONCE FROM BO
Shield-shaped yellow painted tin sign with wooden backing; hook at center for fire box key (2216); inscribed in red and black with directions for sending in an alarm from an alarm box in case of fire; ring at top for mounting.
Due to ongoing research, information about this object is subject to change.