User:Donald Trung/Yong Le Tong Bao (永樂通寶)/Infobox

Yongle Tongbao
(永樂通寶)
Ming dynasty; (China)
Value	1 wén
Composition	63-90% copper (Cu), 10-25% lead (Pb), 6-9% tin (Sn), and 0.04-0.18 % zinc (Zn).
Years of minting	1408–1424
Obverse
Design	Yongle Tongbao (永樂通寶)
Reverse
Design	Usually blank, but inscriptions may be used.

Notes edit

^ Imitations of the Yongle Tongbao were cast throughout the far east, most commonly in Japan and Vietnam.

^ “An Investigation of the Using of Brass in Casting Coins in Ancient China” (我国古代黄铜铸钱考略) included in “A Collection of Chinese Numismatic Theses” (中国钱币论文集) published in 1992.
^ Numis' Numismatic Encyclopedia. A reference list of 5000 years of Chinese coinage. (Numista) Written on December 9, 2012 • Last edit: June 13, 2013 Retrieved: 30 July 2017.
^ Baidu Baike - 永乐通宝。Retrieved: 30 July 2018. (in Mandarin Chinese using Simplified Chinese characters)
^ 李兆良．《坤舆万国全图解密-明代测绘世界》．台北：联经出版社，2012. (in Mandarin Chinese)
^ 李兆良．《宣德金牌启示录-明代开拓美洲》．台北：联经出版社，2013. (in Mandarin Chinese)

Obverse
Ming dynasty (China)^[a]
Value	1 wén
Composition	63-90% copper (Cu), 10-25% lead (Pb), 6-9% tin (Sn), and 0.04-0.18 % zinc (Zn).^[1]
Years of minting	1408–1424^[2]

Design	Yongle Tongbao (永樂通寶)
Reverse
Design	Usually blank, but inscriptions may be used.^[3]^[4]^[5]