5 盎司银章。 (t) CHINA. 5 Ounce Silver Medal, ND. CHOICE BRILLIANT PROOF. Diameter: 70 mm. By China Mint Company. Imitation of "Da Qing Zhen Ku (Vault Protector Coin of Qing Dynasty)". Struck to commemorate the Companys participation in the First Singapore International Coin Exposition. Includes original case of issue and certificate numbered 001905.