1 Cash – Empire of China
Standard circulation coins
Context
Years: 1821–1836
Country: China 
Issuer: Empire of China
Ruler: Qing dynasty › Daoguang
Currency:
Demonetized: Yes
Material
Diameter: 24 mm
Weight: 3.7 g
Shape: Round with a square hole
Composition: Brass
Magnetic: No
Technique: Cast
Alignment: Medal alignment
References
Numista: #45607
Obverse
Inscription:
道
寶 通
光
寶 通
光
Translation:
Daoguang
Tongbao
Tongbao
Scripts: Chinese (traditional, regular script)
Language: Chinese
Reverse
Edge
Plain
💎 Extremely Rare