Lot 72012 – 1r Yellow Buff, 1873 7th (last) printing on exerci

1r Yellow Buff, 1873 7th (last) printing on exercise book paper, reconstructed block of 8 from two blocks of four (rejoined), BR corner margins showing thick & thin border lines at R, single thick line at B, pos. 62-63/89-90. The faint blue horiz. lines are partially visible on the front, not the back. An incredibly scarce mint multiple and possibly the largest extant, minor faults (mostly creases, some with little breaks) and some gum streaks on front, very fine appearing (listed only by SG as n° 8, £1’600 as singles)