These are nostalgic telephone cards. All of them have been used. They are over 24cm tall when stacked. Since there were 35 cards per 1cm, I believe there are around 840 cards. There is a variety of types, but I think there are many of tourist spots, products, scenery, and automobiles. Thank you. NTT Idols Automobiles Tourist Spots Retro Showa Era Heisei Era Kyoko Koizumi Kent Derricott