《太平广记·卷十三·神仙十三》
尹轨把这一百两锡用火熔化了，然后留了一方寸那么大的一匙药投进去，锡就变成了一百两黄金，让他还给了官府。
复销之，以药方寸匕投之，成金，还官。
Yin Gui melted the one hundred taels of tin and then left a spoonful of medicine that was as large as one inch, and the tin became one hundred taels of gold, which he gave back to the government.