1931年壹圆版试作银样币。巴黎铸币厂。 FRENCH INDO-CHINA. Silver Piastre Essai (Pattern), 1931. Paris Mint. PCGS SPECIMEN-61. 0.900纯度白银铸造。打六孔注销,两圆、两半圆、两方。 KM-Unlisted; cf. Lec-306. Struck in 0.900 silver. A cancelled trial with six perforations: two round, two semi-circular, and two square.


































