In 1894 the Note sur la circulation monétaire et les moyens d'échange dans les colonies françaises et pays de protectorat, d'après les documents officiels recueillis par l'administration des colonies reported that aside from the piastre and zinc and copper-alloy cash coins other indigenous currencies circulated in the Nguyễn dynasty, these included a silver cash coin which was valued at 2 strings each, a silver sycee weighing 1 Lượng was valued at 12 strings, a silver Nen was valued at 140 strings, a gold Lượng valued at 300 strings, and a gold Nen valued at 3000 strings. It was reported that Asian merchants used conventional silver bars made from melted coins that were withdrawn from circulation, these were valued at 15 piastres. In Tonkin zinc cash coins remained in circulation while they only continued to circulate in some regions of Annam.
