Lot
2704 
Proprietary, 1873, 50¢ green & black, violet paper, beautifully centered with strong colors, bright and fresh, Very Fine and choice; with 2016 P.F. certificate which mentions "tiny painted over surface flaw", which we see no evidence of under 10x magnification and strongly disagree with this opinion. Scott No. RB8a $1,000 as used.
AN EXCEPTIONAL SOUND EXAMPLE OF THE 50¢ PROPRIETARY ISSUE ON VIOLET PAPER, PARTICULARLY RARE IN UNUSED CONDITION.
Realized: $725