Auction # 2428 ARGENTINA: Special August auction

GJ.8, 1874 dull rose, irregular block of 8 that INCLUDES THE 8 DIFFERENT TYPES: block of 6 with types 1-2-3-6-5-7 and then type 8 + type 4 of the neighboring block, in inverted position forming a TETE-BECHE. This block is affixed to the back of a cover that was probably sent by registered mail, fantastic rarity since it is cut in this way, very fine quality, with Alberto Solari certificate!