Lot 40074 – 1866, 80r violet black, double perforation, on cover

1866, 80r violet black, a remarkable example with double horizontal perforation, the vertical one being slightly shifted to the left, together paying the single internal rate on cover front to Santos with 1866 10r vermilion in pair, tied by « Jacarehy » oval hs (Ayres 1333), with matching Jacarehy cds of 5.10.1872 struck at right; a most probably unique double perforation on cover, and additionally a scarce cancellation; ex Dr. de Amaral Machado.