K3442, Hong-Wu Tong-Bao Coin (Gui Mint), China Ming Dynasty, AD1368.
Fine to VF, please refer the picture.
Minted by China Ming Dynasty first Emperor "Zhu Yuanzhang" during AD 1368 to 1398. During that period, the Ming Dynasty was set up.
Reverse Chinese Character: "Gui", which means minted in Guilin Mint of Guangxi Province.
Catalogue Number: H20.67 (David Hartill), FD1902 (Fisher's Ding), S1150 (Schjoth's).
Size: around 21 to 23 mm in diameter.
Weight: around 3 grams.