1930s Tibetan Revenue stamp, printed on the same paper as banknote. Only 30-40 examples exist in the Polala Archives other than private
1930s Tibetan Revenue stamp, printed on the same paper as banknote. Only 30-40 examples exist in the Polala Archives other than private collection. 1930年代西藏印花稅票，用紙與鈔票相同。除私人集藏外，檔案中僅有三四十張存世。
