940 ARGENTINA - POSTAL HISTORY Auction #2222: WORLDWIDE + ARGENTINA: Special June auction! Front Cover / Cat.#: F.VF 23/OC/1928 Tucumán - USA, front of registered parcel post that contained "perserved insects with scientific value only" franked with 90c., very attractive! Starting Price: US$ 25 Current Price: US$ 73 Bid US$ 81 or more Closing: 2022-06-23 22:30:00