£12,000 - £15,000
1930 Aeroplane overprint, 3d sepia-black and bright blue-green, Harrison printing, upper left corner marginal block of six (2x3), tone mark on reverse of 2/2, others with insignificant toning as usual, otherwise superb unmounted mint. Only two sheets of forty of the Harrison printing were overprinted; this is the largest existing block. With Jerry Blair Certificate (2015). S.G. 115, £24,000+. Photo included on Back Cover.
Fees apply to the hammer price:
Free Registration
26.4% inc VAT*
Flat Fee Registration
22.80% inc VAT*
