A banknote issued by the Việt Minh to circulate within only a single Vietnamese province during their rebellion against the French. 
P-R72 Dong Ninh Thuan province.
The Việt Minh.
<a rel="nofollow" class="external text" href="http://art-hanoi.com/collection/vnpaper/r7.html">Ninh Thuan province 2 Dong</a> (Art-Hanoi).