Reference
Barker : Page 146, cf Figure 49.1
Note:
Barker incorrectly attributes this small coin to Mạc Phúc Nguyên
whose larger coin with this inscription was only issued in 1547 and is therefore very rare
Reference
Note:
Here Thierry dates this private issue between 1592 and 1789
Reference
Note:
Thierry regards this coin as a private issue in Northern Vietnam (Đàng Ngoai 唐外) during the 17th to 18th centuries.
This specimen
Yes