Av. Bào Dai thông bao "current currency of Bào Dai" in four Chinese characters around the central perforation.
Rv. Smooth.
Lec.29c (2014) p.16-17 - Jewels 709 (4 ex. known) ; Brass - 46,57 g - 108 mm - 12 h
From the Jean Lecompte collection.
Interesting document, in excellent condition. A few known examples and of the utmost rarity. Superb condition.