1 Cash - Tongzhi (Boo-yuwan)
Country: China - Empire
				(China) 
 Denomination: 1 Cash
				(0.001) 
 Year: (1862-1874) 
 Material: Cast Brass 
 Weight: 2.7 g 
 Shape: Round with a square hole 
 Diameter: 23 mm 
 Type: Common coin 
 Catalog list: china empirechina
Description:
 
Obverse
Chinese ideograms
- Top to bottom:
同治 = Tongzhi, 10th emperor of the Qing dynasty (Manchu) 1861-1875.
- Right to left:
通寶 = Tong bao, means currency
Reverse
In Manchu prints, the mint name: Boo-yuwan (Board of Works, Beijing)
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