unused  -- "Four cents." in black on 8c. dull purple and ultramarine with interpanneau margin at left, fine mint. Very rare. Photocopy of B.P.A. Certificate (1972) of a block of four from which this stamp was removed. S.G. 20, £900. Photo
GST is payable on the hammer price of all lots del… Read more
unused -- "Four cents." in black on 8c. dull purple and ultramarine with interpanneau margin at left, fine mint. Very rare. Photocopy of B.P.A. Certificate (1972) of a block of four from which this stamp was removed. S.G. 20, £900. Photo

Details
unused -- "Four cents." in black on 8c. dull purple and ultramarine with interpanneau margin at left, fine mint. Very rare. Photocopy of B.P.A. Certificate (1972) of a block of four from which this stamp was removed. S.G. 20, £900. Photo
Special notice
GST is payable on the hammer price of all lots delivered in Singapore. Lots delivered by Spink outside Singapore to non-Singapore residents are not subject to GST.