Minami-jima is a long, narrow island, measuring one kilometer from north to south and is located just southwest of the Chichi-jima Island (Ogasawara Islands). The vicinity of Minami-jima is a submerged karst area marked by dolines, lapiaz formations and other types of topography, where one can explore extinct Mandarina luhuana fossils.
Japan 2012, Natural Arch, Ougi-pond (Minami-jima).
Japan 2016, Natural Arch, Ougi-pond (Minami-jima).
The stamp was issued in the series
"60th Anniversary Series of the Enforcement of the Local Autonomy Tokyo Prefecture".