I've only opened it a few times since I bought it, so I don't think there are any noticeable folds or creases. Please check the photos for details. There are no writings or markings. I will package it to prevent water damage and ship it anonymously. ☆ Anonymous shipping ☆ Price negotiation ○ ☆ Immediate purchase/no comment ○ - Title: Standard Measurement Method for Water Absorption Dose - Editor: Edited by the Japan Society of Medical Physics - Publisher: SOKUTEI GIJUTSU Publishing - Series Name: Standard Measurement Method 12