postmark

postmark. An official mark put by the post office on an item of mail to cancel the stamp and to indicate the place and date of sending or receipt. [Cases: Postal Service 15. C.J.S. Postal Service and Offenses Against Postal Laws §§ 18–19.]

---

词条贡献者

双语律师李明，国际知名法学院法律专业，擅长翻译各类与政府监管相关的法律文件。