This is a goshuin (temple stamp) from Tomioka Hachiman Shrine, which is also a filming location for the anime, drama, and movie "Karakai Jouzu no Takagi-san" (Teasing Master Takagi-san). I went on a trip to Shodoshima for a night and two days on August 4th for the Shodoshima Festival, and I received this on the next day when I visited the sacred sites. Therefore, the date is August 5th. It seems that this goshuin was limited to 500 copies.