Lot
138 P
1887, 1¢ ultramarine, plate proof on card, block of 4, full even margins and deep bold color, with scoring between designs to test the paper, Very Fine, a remarkably rare plate proof with a little less than a dozen single examples known to exist; with 1993 & 2012 P.F. certificates.Scott No. 212P4 $12,500.
THE UNIQUE MULTIPLE OF THE 1887, 1¢ AMERICAN BANKNOTE ISSUE PLATE PROOF ON CARD.