Coin Item Number: Edz2933 from the MOA: University of British Columbia
Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, line on reverse. Zhouyuan tongbao (top-bottom-right-left) in Chinese characters on obverse; line (bottom-right) on reverse. Extra metal in centre hole.
Normal sized circulating coin. Pigment applied to coin, usually as a temple offering or birthday celebration