V2087, Annam Hong-Duc Thong-Bao (Hong-De Tong-Bao), 10 Pcs, AD 1470.
Bronze, VF condition 10 pieces in all, please refer the picture.
The name of the coin is "Hong-Duc Thong-Bao" in Vietnamese, or "Hong-De Tong-Bao" in Chinese language.
Annam Later Le Dynasty Coin. Minted by Emperor Le Thanh Tong To during AD 1470 to 1497.
The catalogue No 36 (Dr. R. Allan Barker's "The Historical Cash Coins of Viet Nam").
Diameter: 22 to 24 mm.
Weight: around 3.0 gram.