China
Kwangtung. Maritime Customs silver 3-Stamp 10 Tael Square-Trough Sycee Ingot ND (c. 1850) VF, BMC-Class LIX. 40x56mm/349.9g. Produced in an unusual square-trough shape, this example shows three rectangular stamps at top, with the addition of a single character punch between the two parallel rectangular stamps. The horizontal stamp shows the three characters "Yue Hai Guan" or Guangdong Maritime Customs, while the vertical stamps contain the date (5th Month) and era (Daoguang Period 30th Year). A scarce ingot, seemingly with a posthumous usage of Daoguang's name.
HID02901242017
Estimate: 4000-6000 USD