109 ARGENTINA - GENERAL ISSUES Auction #2426: ARGENTINA: Special July auction - second part Block of Four / Mint or NH Cat.#: GJ.759H var. Cat.Value: US$322++ VF. GJ.759H, 50c. Petroleum well at sea, block of 4 printed on DUTCH PAPER and also with complete offset impression on back, 2 stamps MNH (+30%), excellent quality. The catalog value of a normal block of 4 (without the offset impression) is US$322, good opportunity! Starting Price: US$ 140 Current Price: US$ 140 Bid US$ 154 or more Closing: 2024-07-18 22:00:00