The sapling on the head side was designed by Masami NAKAMURA who lived in Kyoto Prefecture at the time, and the number '1' on the tail side was designed by Toshio TAKASHIMA who lived in Osaka Prefecture at the time.
表の「若木」のデザインは当時京都府在住の中村雅美のものが、裏の「1」のデザインは当時大阪府在住の高島登二雄のものが、それぞれ選ばれた。