"With an Eiken Expert! One-on-One Eiken Grade Pre-1" Tutor Try / Nobuhiko Yamada Price: ¥1600 #TutorTry #NobuhikoYamada #Nobuhiko_Yamada #Book #Language/English Purchased about 3 years ago. As far as I can tell, there are no markings, but we are waiting for purchases from those who understand that this is a used item.