Vietnam, Annam, Le Dynasty (1428-1479 CE), Emperor Jên Tsung (1443-1454), cast brass 1 Phan, 21mm, 1.28g, obverse; Dai hoa thong bao , reverse; plain, Novak-11, Toda-261, Hartill-25.13, Schjoth-30, NF, verdigris.
References;
John A. Novak, A Working Aid for Collectors of Annamese Coins, 1967.
Ed Toda, Annam and its Minor Currency , 1882.
David Hartill, Cast Chinese Coins , 2nd edition, 2017.
F. Schjotth, Chinese Currency , 1976
