1910-13 Perforation 14 5d. lake-brown and olive, S.G.143,

vertical marginal pair from the lower-right corner of the sheet, Positions 45/50, both stamps have Medal cuts, well-centred, exceptional colour, lightly folded between, unmounted original gum. B.P.A. Certificate 1975 (76310)

Sotheby's "Sir Gawaine Baillie" 27-29 September 2006 (Lot 148)