790 CHINA - GENERAL ISSUES Auction #1804: WORLDWIDE + ARGENTINA: First general auction of the year Cover / Cat.#: Sc.1664a VF. Sc.1664a, 1981 complete booklet pane with 2 sets, franking a cover, VF quality! Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2018-02-15 22:15:00