Samoa, 1881, 6d Deep Mauve, Perf 11¾, State IV Remainder. complete pane of 21, full o.g. (mostly n.h.), bright vibrant color, quite fresh with a hint of edge soiling at upper right, Very Fine, very rare with only four complete intact sheet known, with one residing in the Royal Philatelic Collection. Estimate  $1,000 - 1,500. $0 (Image)