Teito Rapid Transit Authority 〇 June 24, 1983 Yurakucho Line Eidan Narimasu ↔ Ikebukuro Commemorative Ticket for Opening The validity period of the ticket has expired. This is a personal, long-term storage item, so please refrain from purchasing if you are concerned. Please check the condition in the photos before considering a purchase. [Combined Purchase Discount] For tickets, cards, postcards, and memo pads, if you purchase multiple items, we will discount 100 yen for each additional item from the second item onwards (no limit on the number of sets).