1929 & 1930年英国贸易银元站洋一圆银币。孟买铸币厂。两枚。 1)1929-B。孟买铸币厂。 2)1930。伦敦铸币厂。 GREAT BRITAIN. Duo of Trade Dollars (2 Pieces), 1929 & 1930. George V. Both PCGS Genuine--Cleaned, Unc Details Certified. 1) 1929-B. Bombay Mint. KM-T5; Mars-BTD1; Prid-26. 2) 1930. London Mint. KM-T5; Mars-BTD1; Prid-28.