(Sep 6, 2016)
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Item Information
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| Weight | 20 grams | | Size | 36.4 mm | | Reference | Hartill 22.741 Iron Cash in Brass | | Material | Brass | | Obv | Xian Feng Zhong Bao | | Rev | Manchurian inscription "Bao Quan" | This mint initially had 29 furnaces (so was approximately the same size as a Board of Revenue mint branch)
All Zhao Bao iron coins cast in copper alloy are rare
The one cash coins have the standard two character mint marks on the reverses, while higher denominations have four characters with the extra two to show the denomination
There was also a system of obverse variations
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