Altered Coin Item Number: Edz2428 from the MOA: University of British Columbia
Coin, round, with a four-sided hole at the centre, a rim around the outer edge and a centre hole. The obverse has four characters, and the reverse has two characters. Hongwu tongbao (top-bottom-right-left) in Chinese characters on obverse; Beiping top (mintmark) in Chinese characters on reverse. Dot right reverse; reverse top character missing part of interior; slipped mould; rim pits; rough reverse fields; rim widths uneven
Normal sized circulating coin. Issue of first Ming emperor.