Calcite Pyrite | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_882b3f5c738d4de0846fdd29d53591f2~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 14 x 9cm Origin: Chenzhou District, Hunan Province, China Old coin bought in the early 2000s, extreme sought after by Chinese collectors, very difficult to find now on the western market Ref: EC6