589 CONGO - GENERAL ISSUES Auction #240: ARGENTINA + WORLDWIDE: General auction of October! Single / Mint NH (Virgin Gum) Cat.#: Sc.522 var. VF. Sc.522, 1980 Rotary with IMPERFORATE variety, VF quality! Starting Price: US$ 10 Current Price: US$ 10 Bid US$ 10 or more Closing: 2017-11-02 22:30:00