Auction # 2444 WORLDWIDE + ARGENTINA: Extraordinay November auction

RARE "MARBLED" PAPER, GJ.1495, 1969/71 Skier 100P. without watermark, block of 4 printed on paper with faulty coating, under UV light it shows an effect of fluorescent sprinkles with opaque areas, and against the light there are some lighter spots produced by the very defective coating (some areas with thick and some others much lighter coating). Rare, very interesting!