1979年中国银行外汇兑换券伍拾 & 壹佰圆。样票。 一组 2 张兑换券样张。 (t) CHINA--PEOPLES REPUBLIC. Lot of (2). Bank of China. 50 & 100 Yuan, 1979. P-FX6s & FX7s. Specimen. Foreign Exchange Certificates. PMG Superb Gem Uncirculated 67 EPQ. A duo of specimen foreign exchange certificates.