Four Chinese ideograms read top to bottom, right to left.
Obverse script
Chinese (traditional, regular
script)
Obverse lettering
道
寶 通
光 (Translation: Dao Guang Tong Bao Daoguang (Emperor) / Universal currency)
Reverse description
Two Manchu words (read vertically) separated by the hole.
Reverse script
Mongolian / Manchu
Reverse lettering
ᠪᠣᠣ
ᠴᡳᠣᠸᠠᠨ (Translation: Boo-choiwan)
Edge
Smooth.
Mint
Ministry of Revenue Mint, East Branch (戶部局), Beijing, China (1727-1898) Ministry of Revenue Mint, North Branch (戶部局), Beijing, China (1727-1910) Ministry of Revenue Mint, South Branch (戶部局), Beijing, China (1727-1898) Ministry of Revenue Mint, West Branch (戶部局), Beijing, China (1727-1910)
Mintage
ND
(1821-1823) - Hartill#22.582: Type A; radical マ in 通; two-dot Tong; flat top Boo (East branch) - ND
(1821-1823) - Hartill#22.583: Type A; radical コ in 通 (South branch) - ND
(1821-1823) - Hartill#22.584: Type A; radical マ in 通; one-dot Tong (West branch) - ND
(1821-1823) - Hartill#22.585: Type A; radical マ in 通; two-dot Tong; protruding top Boo (North branch) - ND
(1824-1831) - Hartill#22.586: Type B; radical マ in 通; two-dot Tong; flat top Boo (East branch) - ND
(1824-1831) - Hartill#22.587: Type B; radical コ in 通 (South branch) - ND
(1824-1831) - Hartill#22.588: Type B; radical マ in 通; one-dot Tong (West branch) - ND
(1824-1831) - Hartill#22.589: Type B; radical マ in 通; two-dot Tong; protruding top Boo (North branch) -