On 9 September 2018 Japan Post issued these five stamps along with a mini sheet. The first and last stamps show Kannonzaki L/H which is a major navigational beacon at the southwest entrance to Tokyo Bay near Yokosuka. The second stamp shows Mikomoto Shima L/H. The next one, Muroto Shima L/H and finally He Shima L/H which is located at the western end of Japan’s Inland Sea and is one of the oldest lighthouses in Japan.
Kannon Saki L/H | Sc 4228, Mi 9286, SG ?, Yt 8915, WADP JP350.18 | 3 Sep 2018
Mikomoto Shima L/H | Sc 9287, Mi ?, SG ?, Yt 8915, WADP JP350.18 | 3 Sep 2018
Muroto Saki L/H | Sc 4230, Mi 9288, SG ?, Yt 8916, WADP JP351.18 | 3 Sep 2018
He Saki L/H | Sc 4231, Mi 9289, SG ?, Yt 8917, WADP JP352.18 | 3 Sep 2018
Old Kannon Saki L/H | Sc 4232, Mi 9290, SG ?, Yt 8918, WADP JP353.18 | 3 Sep 2018
Lighthouses of Japan L/H | Sc ?, Mi 9286-9290KB, SG ?, Yt ?, WADP JP353MS.18 | 3 Sep 2018
See more lighthouse stamps from Japan here