Later Le Dynasty, Le Hien Tong, Canh Hung era (1740-1786 AD), 'Canh Hung Thong Bao' large cash coin, rev. 2 fishes with the legend 'Nguyen' (first year of the reign). 37.12g, Brass, 40.6mm. Thick: 3.9mm. Ex Jules Silvestre collection. Scarce.