Mailbox Pic of the Day for 2026-04-11.
Source: Wikimedia Commons — Donald Trung Quoc Don (Chữ Hán: 徵國單) – Wikimedia Commons – © CC BY-SA 4.0 International.(Want to use this image?)Original publication 📤: –Donald Trung 『徵國單』 (No Fake News 💬) (WikiProject Numismatics 💴) (Articles 📚) 20:51, 3 January 2020 (UTC) | CC BY-SA 4.0 | license