Watch List notes:

CHINA, Qīng dynasty. Xuānzōng (Dàoguāng). AD 1821-1850. Æ Wén (29mm, 8.62 g, 12h). Northern branch of the Board of Revenue (Běijīng) mint. Cast circa 1821-1823. Dao Guang tong bao in Hànzì characters / Boo chiowan in Manchu script. Hartill 22.585. VF, adjustment marks.