I have confirmed that there are no markings. Please purchase only if you understand. As this item is stored by a private individual, please refrain from purchasing if you are looking for a super-mint condition item or are overly concerned about its condition. *Due to changes in the Japan Post's specifications (Yu-Mail), delivery may take longer than usual if it falls on a weekend or public holiday. Please be aware of this. Sociology History (Kodansha Gendai Shinsho 2500) "Sociology History" Masachi Osawa Price: ¥1400