The Tsurugi-san, also known as Ken-zan is after the Ishizuchi-san the second highest mountain on the island of Shikoku and is situated in the Tokushima prefecture. It is one of the 100 famous mountains in Japan.
(Please note, there are other mountains known as Tsurugi in Japan, Tsurugi-dake on Honshu and Tsurugi on Hokkaido)
Japan 1973, Tsurugi-san.
Japan 1989, Tsurugi-san.
Japan 2002, Tsurugi-san.
Japan 2014, Tsurugi-san.
The stamp was issued in the series "Japanese Mountains Series No 4".