Here is a collection of posters from various expositions held in Japan in the 1920s to 1940s.



National Industrial Exhibition - Himeji, 1926 [+]



National Products Progress Exhibition - Sapporo, 1926 [+]



Grand Exposition in Commemoration of the Imperial Coronation - Kyoto, 1928 [+]



Sea and Air Exhibition - Tokyo, 1930 [+]



Sea and Air Exhibition - Tokyo, 1930 [+]



The National Products Progress Exhibition - Kagoshima, 1931 [+]



National Horse Exhibition - Osaka, 1933 [+]



Tourism Industry Exhibition - Nara, 1933 [+]



Yokohama Exposition - Yokohama, 1935 [+]



National Exposition - Iga-Ueno, 1935 [+]



National Defense and Resources Exposition - Himeji, 1936 [+]



National Defense and Resources Exposition - Himeji, 1936



National Defense and Resources Exposition - Himeji, 1936



Exposition Commemorating Hakata Port Construction - Fukuoka, 1936 [+]



Exposition Commemorating the Construction of Hakata Port - Fukuoka, 1936 [+]



Japan-Manchuria Industrial Exhibition - Toyama, 1936 [+]



Nagoya Pan-Pacific Peace Exposition - Nagoya, 1937 [+]



Nagoya Pan-Pacific Peace Exposition - Nagoya, 1937 [+]



Nangoku Tosa Exhibition - Kochi, 1937 [+]



International Hot Spring Tourism Exposition - Beppu, 1937 [+]



Second Sino-Japanese War Exhibition - Osaka, 1938 [+]



Greater East Asia Construction Exposition - Osaka, 1939 [+]



National Defense Science Exposition - Tokyo/Kanagawa, 1940 [+]



National Defense Science Exposition - Hyogo, 1941 [+]



National Defense Science Exposition - Hyogo, 1941



National Defense Science Exposition - Hyogo, 1941



Asia Development and Defense Exposition - Toyota City, 1941 [+]

[Via: Nihon no Hakurankai, published by Heibonsha Limited, 2005]