Here is a collection of posters by graphic artist Kazumasa Nagai from the 1960s and 1970s.

Poster by Kazumasa Nagai --
KĊrakuen Jumbo Pool, 1973

Poster by Kazumasa Nagai --
Growth - Life Science Library, 1966

Poster by Kazumasa Nagai --
Toshiba IC, 1967

Poster by Kazumasa Nagai --
The Mind - Life Science Library, 1965

Poster by Kazumasa Nagai --
Expo '75 - International Ocean Exposition, 1975

Poster by Kazumasa Nagai -- Poster by Kazumasa Nagai --
The Cell - Life Science Library, 1966 [+] // Window 5 Exhibition, 1969 [+]

Poster by Kazumasa Nagai --
We Clean Smokers (Poster for Prince Lighters), 1975

Poster by Kazumasa Nagai --
Kazumasa Nagai Exhibition, 1968

Poster by Kazumasa Nagai --
Asahi Steinie, 1965

Poster by Kazumasa Nagai --
Kazumasa Nagai Exhibition, 1968

Poster by Kazumasa Nagai -- Poster by Kazumasa Nagai --
Architecture as Space, 1966 [+] // Kazumasa Nagai Exhibition, 1973 [+]

Poster by Kazumasa Nagai --
Cat and Mouse, 1969

Poster by Kazumasa Nagai --
We Clean Smokers (Poster for Prince Lighters), 1974

Poster by Kazumasa Nagai --
Graphic 4, 1974

Poster by Kazumasa Nagai --
gq, 1974

Poster by Kazumasa Nagai --
Lilycolor, 1974

Poster by Kazumasa Nagai -- Poster by Kazumasa Nagai --
Lilycolor, 1974 [+] // Lilycolor, 1974 [+]

Poster by Kazumasa Nagai --
We Clean Smokers (Poster for Prince Lighters), 1974

Poster by Kazumasa Nagai --
We Clean Smokers (Poster for Prince Lighters), 1974

Poster by Kazumasa Nagai --
Kazumasa Nagai Exhibition, 1975

Poster by Kazumasa Nagai --
Identity, 1976

Poster by Kazumasa Nagai --
Persona, 1973

Poster by Kazumasa Nagai -- Poster by Kazumasa Nagai --
gq, 1973[+] // gq, 1974 [+]

Poster by Kazumasa Nagai --
Adonis, 1976

Poster by Kazumasa Nagai --
Prince Lighters, 1974

Poster by Kazumasa Nagai --
Prince Lighters, 1974

Poster by Kazumasa Nagai --
Identity, 1976

Poster by Kazumasa Nagai --
No More War, 1970

[Source: Posters by Kazumasa Nagai (published by Kawade Shobo, 1976)]