1907-12 15c on 1 1/2d pale dull purple and green with “1” of “15” omitted mint h.r. lower left corner marginal pair from the lower pane of the unique sheet, very fine and fresh unique positional multiple, a major rarity of Morocco Agencies with only nine examples discovered (of which only 8 are in private hands), with pencil notation on reverse “Only 9 W.H.P.” by the dealer W. H. Peckitt who handled the original sheet; cert. RPS (2014); ex Mrs Herbert Wood (S.G. £7’000).