2002年5月21日，陕西省钱币学会召开西汉“赤侧”五铢学术座谈会。上海市委宣传部原部长、上海市钱币学会副会长、《中国钱币大系》总编马飞海、陕西省钱币学会各方专家姚世铎、阎福善、党顺民、王卿、周延龄、王泰初、孙岩、牛群生、郑盈、张虎安、和广汉、陕西省文保中心助理 On May 21, 2002, the Shaanxi Provincial Institute of Numismatics held an academic symposium on the “red side” of the Western Han Dynasty. Former director of Propaganda Department of Shanghai Municipal Party Committee, vice president of Shanghai Numismatics Society, Ma Feihai, editor-in-chief of Department of Chinese Coins, Yao Shiduo, Yan Fushan, Danshun Min, Wang Qing, Zhou Yanling, Wang Taichu, Herdsman, Zheng Ying, Zhang Hu An, and Guanghan, Shaanxi Province, Paul Center Assistant