Anti-Ming War, Tran dynasty, Emperor Tran Cao (1426-28 AD), Thien Khanh era (1426-27 AD), 'Thien Khanh Thong Bao' Large regular script. 3.4g, Bronze, 24.83mm. Thien Khanh coin was cast during the time when ancient Vietnam was controlled by China Ming Dynasty (Xuande era), and anti-Ming Le Loi for puppet king Hi Ong for tribute to Ming. This large chars and irregular script specimen is scarcer than the previous uploaded Thien Khanh specimen (large heavier type) in my collection.