Auction #1842 ARGENTINA: Selection of rare stamps and interesting varieties!

GJ.142, 1892 Rivadavia 5c. GREEN, color error, splendid MNH example (+50%), possibly the ONLY ONE IN EXISTENCE in such exceptional quality. With perfect gum, beautiful color, fresh and impeccable as the day it was printed, on back it has a manuscript inscription by Victor Kneitschel: "original" and his signature, great rarity!