Auction # 2426 ARGENTINA: Special July auction - second part!

GJ.756P, 25c. Plowman, block of 4 printed on imported unsurfaced paper with watermark sun with wavy rays, block of 4 with perforation error: the top pair is IMPERFORATE, the one below with the perforation very shifted, extremely rare. NOTE: The catalog value of this variety does not reflect its great rarity, and it will be corrected in the next edition