1 Cash - Xianfeng Tongbao, Boo-he, iron

发行方	Board of Revenue Mint / Board of Works Mint, Qing Dynasty
年份	1854-1859
类型	Standard circulation coin
面值	登录以查看详情
货币	登录以查看详情
材质	登录以查看详情
重量	登录以查看详情
直径	登录以查看详情
厚度	登录以查看详情
形状	登录以查看详情
制作工艺	登录以查看详情
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正面描述	登录以查看详情
正面文字	登录以查看详情
正面铭文	咸寶　通　豐 (Translation: Xian Feng Tong Bao Xianfeng (Emperor) / Universal currency)
背面描述	登录以查看详情
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边缘	登录以查看详情
铸币厂	登录以查看详情
铸造量	ND (1854-1855) - Hartill#22.845: Tong with closed head; small characters (Kaifeng) - ND (1855-1859) - Hartill#22.842: Tong with open head (Huaiqing) - ND (1856-1859) - Hartill#22.843: Tong with closed head; large characters (Kaifeng) -
附加信息	Iron cash coins were an emergency measure — the Qing treasury, hemorrhaging silver to finance suppression of the Taiping Rebellion, simply could not sustain copper coinage at the volumes needed. The Board of Revenue and Board of Works mints in Beijing began striking iron pieces from 1854 onward as a deliberate debasement, one the public immediately distrusted. Iron cash circulated at a discount against copper almost from the first day. Boo-he identifies this as a Board of Revenue mint product. Iron examples corrode aggressively in most storage conditions, which makes structurally sound survivors considerably scarcer than raw survival numbers suggest.

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