Kim Tiền, Nhị Nghi (the two principles) of 2 Tiền in gilt metal, Bảo Đại era (1925-1955), ball and ring setting. 30.5 mm, 10.62 g. TTB Jewels 731 A, probably made by Delande (this example illustrated). Sylvester 4/M/4/h (4.13.4.2).

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