Lot 40797 – 1858 81 Parale blue on blue, a lovely unused examp

1858 81 Parale blue on blue, a lovely unused example with good to broad margins, deep sharp impression, small tear at bottom but well away from design and light horizontal crease at top, an extremely rare stamp of which only 37 unused examples are recorded. ex du Pont Expertise: Various signatures Certificate: Heimbüchler Background: Heimbüchler census no. 366/10