18 ARGENTINE ANTARCTICA - ISLAS ORCADAS - POSTAL HISTORY Auction #2427: ARGENTINA: Auction with interesting lots at budget prices! Cover / Used Cat.#: VF. Cover with postmark of Islas Orcadas 2/FE/1973, with handstamp about "Studies of marine biology" Starting Price: US$ 10 Current Price: US$ 10 Bid US$ 11 or more Closing: 2024-07-25 22:05:00