Two Manchu words (read vertically) separated by the hole.
Reverse script
Mongolian / Manchu
Reverse lettering
ᠪᠣᠣ
ᡥᠣ᠋ (Translation: Boo-he)
Edge
Smooth.
Mint
Honan Mint, Huaiqing Branch,modern-day Qingyang, Henan, China (1855-1859) Honan Mint, Kaifeng Branch,Henan, China (1667-1905)
Mintage
ND
(1854-1855) - Hartill#22.845: Tong with closed head; small characters (Kaifeng) - ND
(1855-1859) - Hartill#22.842: Tong with open head (Huaiqing) - ND
(1856-1859) - Hartill#22.843: Tong with closed head; large characters (Kaifeng) -