Vietnam - Thieu Tri (1841-1848) - Presentation cash of one Mach (BNF - ; Barker 183; ZENO 308053) - Obv: Thieu Tri Thong Bao / rev.: Chinese legend: tianxia datong (Vietnamese: thiên hạ đại đồng) [Universal harmony throughout the empire] - 35.80 g., 52.7 mm - VF