Watch List notes:

CHINA. Empire.

Qing Dynasty, 1644-1912. Lot of 4 rectangular gold Sycee 10 Taels (1750). Typical shape with slightly raised ends and ripple pattern on face with three stamps. Two are type with 2 stamps at bottom and two are type with 3 stamps at bottom. AU.
AU to Nice UNC
Same type as the pieces from the Nanking wreck (VOC Retourschip Geldermalsen) found on a coral reef in the South China Sea.