Lot 70727 – 10s dull grey blue, mint vertical pair showing the very rare “OVERPRINT DOUBLE, ONE INVERTED”

10s dull grey blue, mint vertical pair, bottom stamp superb nh mint and showing the very rare “OVERPRINT DOUBLE, ONE INVERTED” variety (Row 8, Stamp 3), fresh, very fine and an important showpiece (Hib. €2’430+), cert. MacDonnell (2021)

Provenance: Parker (lot 539, left half)

Note: Twenty stamps are believed to have existed. One was sold in December 2015 (lot 2214 Cherrystone Auction of the Pednault collection) where it realized $8000