SHANSI: Dao Guang, 1821-1850, AR 3½ tael sycee (140g), CD1838, Cribb-XLII-509, Shaanxi Caoding trough ingot, 4.50oz local tax sycee, wu xu cheng gu cao xing ([Chinese cyclical date 1838] Cao Xing in Chenggu County), EF, S, ex Nicholas Rhodes Collection. This very example in Nick Rhodes collection is the example quoted in Joe Cribb's "A Catalogue of Sycee in the British Museum. "
Estimate: 320- 380 USD