410 CAMBODIA - POSTAL HISTORY Auction #1839: WORLDWIDE + ARGENTINA: October General Auction Cover / Cat.#: VF. Cover with commemorative cachet of the Phnom-Penh Intl. Philatelic Expo, 24/NO/1955, VF! Starting Price: US$ 10 Current Price: US$ 10 Bid US$ 10 or more Closing: 2018-10-25 22:20:00