(Double Transfer) 1867, 2¢ black, Z. grill, Major Double Transfer ("Preston Shift"). Position 81R, showing all double transfer characteristics however less distinct to it's ungrilled counterpart, likely due to ongoing plate wear, tiny trace of cancel in left margin, strong clearly defined grill, reperforated at top and left, about Fine appearance, the unique example of the "Preston Shift" major double transfer on the 2¢ Blackjack, Z. Grill issue. Scott No. 85B  Estimate $1,000 - 1,500. $0 (Image)