V4005, Annam Canh-Nguyen Thong-Bao Coin (Jing-Yuan Tong-Bao), AD1379.
Bronze, VF condition, please refer the picture.
The name of the coin is "Canh-Nguyen Thong-Bao" in Vietnamese, or "Jing-Yuan Tong-Bao" in Chinese language.
Hi-Nguyen Thong-Bao is regarded as Rebel coins during 1379 period in Vietnam history. Scarce coin.
The catalogue No 119 (Dr. R. Allan Barker's "The Historical Cash Coins of Viet Nam").
Diameter: 22 to 23 mm.
Weight: around 2.5 gram.