Auction # 2503 ARGENTINA: Special February auction

GJ.4299, 2019 National Parks 200P., strip of 8 with spectacular VARIETY: Perforation shifted vertically and diagonally, the top stamp with FACE VALUE OMITTED (only 5 in existence), the rest with the FACE VALUE AT TOP and as the perforation is shifted diagonally, the 2nd and 3rd stamp with value "20" instead of "200", spectacular, MNH, market value US$500 or more. Along a similar strip of normal examples for comparison.