24c Grayish Lilac (78a).
Described by the P.F. as regummed, but in our opinion it has original gum,
fresh color, exceptionally well-centered, without the usual toning that
often plagues this issue, Extremely Fine, with 1999 P.F. certificate (Image) 
24c Grayish Lilac (78a).
Unused (no gum), rich color on bright white paper, reperfed at bottom,
otherwise Very Fine (Image)