Auction #1804- WORLDWIDE + ARGENTINA: First general auction of the year

GJ.300, 1910 ½c. May pyramid, complete sheet of 50 stamps NOT including the double impression of the center variety (detected and corrected) in any of the examples. The stamps in positions 11, 21, 31 and 41 with interesting variety: SPOT in the central rectangle of the pyramid, and the lower printer imprint (that originally was inverted) here is in normal position. In addition the impression of the center has a downward shift, excellent quality, very interesting!