Lot no. 10545

1873, The Duloz 10 Para Study by Max Plantinga: 22 pages showing enlarged photos of the 10 pa. perforation 12 and 12½. One of the most difficult Duloz issues including scarce plate flaws, value erased and redrawn stamps, partially double black prints, ‘on para’ script retouche, broken inscriptions, heavy frame lines, different types of overprint at top and bottom lines including heavy frame lines, ‘moon in moon’ variety, different types of black print, short and large “A” (elif) varieties, Shehir overprints, Mont Athos overprint with scarce Gumuldine cancellation. A rare opportunity to acquire a highly specialised study collection.