Two Manchu words (read vertically) separated by the hole.
Reverse script
Mongolian / Manchu
Reverse lettering
ᠪᠣᠣ
ᠴᡳᠣᠸᠠᠨ (Translation: Boo-chiowan)
Edge
Smooth.
Mint
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
(1854-1857) - Hartill#22.683: Tong with open head (South branch) - ND
(1854-1857) - Hartill#22.684: Tong with closed head and one dot (West branch) - ND
(1854-1857) - Hartill#22.685: Tong with closed head and two dots; protruding top Boo (North branch) -