Auction #1942 WORLDWIDE + ARGENTINA: General October auction

GREAT FIND: GJ.1708N, 1975 Province of Santa Cruz (sheep shearing, Lago Argentino and Perito Moreno glacier) printed on UV NEUTRAL UNSURFACED PAPER completely unknown for this value and a recent find (one sheet of 18 in existence, of which 2 have defects!), it will be included in the next edition of the GJ catalog. MNH block of 4 of excellent quality (only 2 blocks of 4 in existence!). Important: Of this stamp, 3 papers are known until now: Chalky paper (normal), fluorescent unsurfaced paper (a little scarcer), and this UV neutral unsurfaced paper (also called fiscal paper), extremely rare!