定義

• The twelve ancient Sen of Japan. They are as follows:

  1. Wado Kaiho Issued in 708 A.D.

  2. Mannen Tsuho 760

  3. Jingo Kaiho 765

  4. Ryuhel Eiho 796

  5. Fuju Jimpo 818

  6. Showa Shoho 835

  7. Chonen Taiho 848

  8. Nyueki Jimpo 859

  9. Jogwan Eiho 870

  10. Kampei Taiho 890

  11. Engi Tsuho 907

  12. Kengen Taiho 958

資源

• Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)

人际关系