苏门答腊锡国1柯平,表面有痕﹐VF,唯一一枚锡国发行之钱币。Sumatra, Siak, Kingdom of the Netherlands(1817-1949), AE Keping, AH1251 (1835), Arabic legend negri siak, rev.denomination in Arabic (Sch. 1001; KM #Tn1; Pr.48), surfaces with traces of deposit, very fine, single coin issue for Siak