Lot
430 (
)
Proprietary, 1873, $1 Green & Black, Violet Paper, unused, strong color and impressions on bright paper, F.-V.F.; with 2016 P.F. certificate. Scott No. RB9a $3,500 as used.
AN EXCEEDINGLY RARE UNUSED SOUND EXAMPLE OF THE 50¢ PROPRIETARY ISSUE ON VIOLET PAPER.
Realized: $2,300