Keywords: 1964 Olympics waterpolo stamp of Japan.jpg Water polo at the 1964 Summer Olympics http //colnect com/en/stamps/list/country/6976-Japan/year/1962/page/3 http //blog sina com cn/s/blog_65a8c6d10101g0dt html 1962-06-23 Japan Post PD-Japan-organization Not-PD-US-URAA Japan Water polo at the 1964 Summer Olympics Stamps of Japan 1962 1964 Summer Olympics on stamps |