Lot 40064 – 1866, 80r violet black, imperforate plate proof of ten

1866, 80r violet black, imperforate plate proof on thin India paper, horizontal block of ten from the right of the sheet, pos. 86-90 / 96-100, showing ABN « …etes de Banco Nueva York » imprint in Spanish affixed to card on a small area partly visible through a slight stain left by the gum vertically at right, featuring the delightful proof-printing impression of great visual appeal, a rare positional piece; ex Alemany Indarte.