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

Vintage Japanese industrial exhibition poster --
National Industrial Exhibition - Himeji, 1926 [+]

Vintage Japanese industrial exhibition poster --
National Products Progress Exhibition - Sapporo, 1926 [+]

Vintage Japanese industrial exhibition poster --
Grand Exposition in Commemoration of the Imperial Coronation - Kyoto, 1928 [+]

Vintage Japanese industrial exhibition poster --
Sea and Air Exhibition - Tokyo, 1930 [+]

Vintage Japanese industrial exhibition poster --
Sea and Air Exhibition - Tokyo, 1930 [+]

Vintage Japanese industrial exhibition poster --
The National Products Progress Exhibition - Kagoshima, 1931 [+]

Vintage Japanese industrial exhibition poster --
National Horse Exhibition - Osaka, 1933 [+]

Vintage Japanese industrial exhibition poster --
Tourism Industry Exhibition - Nara, 1933 [+]

Vintage Japanese industrial exhibition poster --
Yokohama Exposition - Yokohama, 1935 [+]

Vintage Japanese industrial exhibition poster --
National Exposition - Iga-Ueno, 1935 [+]

Vintage Japanese industrial exhibition poster --
National Defense and Resources Exposition - Himeji, 1936 [+]

Vintage Japanese industrial exhibition poster --
National Defense and Resources Exposition - Himeji, 1936

Vintage Japanese industrial exhibition poster --
National Defense and Resources Exposition - Himeji, 1936

Vintage Japanese industrial exhibition poster --
Exposition Commemorating Hakata Port Construction - Fukuoka, 1936 [+]

Vintage Japanese industrial exhibition poster --
Exposition Commemorating the Construction of Hakata Port - Fukuoka, 1936 [+]

Vintage Japanese industrial exhibition poster --
Japan-Manchuria Industrial Exhibition - Toyama, 1936 [+]

Vintage Japanese industrial exhibition poster --
Nagoya Pan-Pacific Peace Exposition - Nagoya, 1937 [+]

Vintage Japanese industrial exhibition poster --
Nagoya Pan-Pacific Peace Exposition - Nagoya, 1937 [+]

Vintage Japanese industrial exhibition poster --
Nangoku Tosa Exhibition - Kochi, 1937 [+]

Vintage Japanese industrial exhibition poster --
International Hot Spring Tourism Exposition - Beppu, 1937 [+]

Vintage Japanese industrial exhibition poster --
Second Sino-Japanese War Exhibition - Osaka, 1938 [+]

Vintage Japanese industrial exhibition poster --
Greater East Asia Construction Exposition - Osaka, 1939 [+]

Vintage Japanese industrial exhibition poster --
National Defense Science Exposition - Tokyo/Kanagawa, 1940 [+]

Vintage Japanese industrial exhibition poster --
National Defense Science Exposition - Hyogo, 1941 [+]

Vintage Japanese industrial exhibition poster --
National Defense Science Exposition - Hyogo, 1941

Vintage Japanese industrial exhibition poster --
National Defense Science Exposition - Hyogo, 1941

Vintage Japanese industrial exhibition poster --
Asia Development and Defense Exposition - Toyota City, 1941 [+]

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