Lot 71994 – 1r Dull Orange Yellow, 1872 6th printing, vertical

1r Dull Orange Yellow, 1872 6th printing, vertical block of 20 (pos. 4-5//85-86) being two cplt vert. rows of the sheet, the 2nd largest cancelled block of the 1r off cover, Ambato cds (no year date), couple stamps affected by internal tear and few margin nibs, still a spectacular and scarce showpiece, fine overall