1981祖冲之铜章。巴黎造币厂。由 P. S. Lau 铸制。铸造量：100。直径：90 毫米。<em>法国勳章俱乐部</em> 发行。编号 11/100。纪念计算出圆周率 (π) 值的数学家生平。正面：半身像略微朝右；反面：法文铭文三行，中间有一条带表示圆周率的值（<em>两个数字之间有两个小数点</em>）；下方见分散的中文大写数字。CHINA. Zu Chong-Zhi Bronze Medal, 1981. Paris Mint. GEM UNCIRCULATED.By P. S. Lau. Mintage: 100. Diameter: 90mm. <em>Club Française de la Médaille</em> issue. Serial number 11/100. Celebrating the life of the mathematician who calculated the value of pi (π). Obverse: Bust facing slightly right; Reverse: Legend in French in three lines, with central band indicating the value of pi (<em>between two numbers two seven decimal points</em>); below, scattered numbers represented in Chinese characters.
