民国8年(1919年)陇南镇守孔繁锦在天水开始用翻砂法铸造铜元,故称其为天水砂版。初时以仿铸四川篆书“汉”字五十文、一百文铜币为主,后又陆续铸双旗二十文、五十文及九星砂版。民国13年(1924年)停止仿铸川币,杜绝民间私铸,开始铸造孔造辅币五文和十文。与此同时,陇上军阀张兆钾、陕甘督办陆洪涛也在兰州翻铸了八年、十年、壬戌年字样的二十文砂版铜元。由于军 In the Republic of China 8 years (1919) Longnan town keep hole Fan Jin in Tianshui began to use the method of foundry bronze sand, it is called Tianshui sand version. At the beginning of imitation cast Sichuan seal “Han ” word fifty, one hundred text copper coins, and later gradually cast two banners twenty, fifty and nine-star sand version. In 13 years (1924) to stop imitation chuanchuan coins, put an end to private casting, began to make holes made of coins five and ten. At the same time, Longzhang warlord Zhang Zhao potassium, Shaanxi Governor Governor Lu Hongtao also cast in Lanzhou for eight years, ten years, Ren Xu year inscription 20 sand paper copper. Thanks to the army