A banknote issued by the Việt Minh for circulation in the southern regions of Vietnam (Nam Bộ) which at the time weren't largely controlled by the Communists. 
<p>P-39 D-74 50 Dong 1951 
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P-39 (?) D-74 (?) 50 Dong 1951.
The Việt Minh.
<a rel="nofollow" class="external text" href="http://art-hanoi.com/collection/vnpaper/p39.html">Nam Bo 50 Dong 1951</a> (Art-Hanoi).