5th variation.
防空 - Air Defense
名古屋 - Nagoya
Original paper.
Translation.
Citizen’s Power/ Protection of the City/ Above this mark all the money will be spent on Nagoya's air defence practice I - 3rd month 9th day (9th March)//from 1p.m./until 3p.m./air defence basis training/ II - same//from 5p.m./until 11p.m./ lll - 3rd month 10th day (10th March)/from 4p.m./until 7p.m./ Light Control (Blackout)/Air defence protection application exercise/Nagoya City.
Osaka Asahi Building, made by the Nagato Trading Co., Ltd.
Another specimen (photo courtesy of the owner).