1928, short set of 6 to 3 d, and 5 s, POSTAGE & REVENUE imperforate plate proofs in ultramarine on slim card, each as a block of 12/6 x 2 being the complete lower two rows of a pane, the 1 d, 1 1/2 d, 2 d, and 3 d, with centre guide in the lower margin, some slight creasing as usual but very scarce and desirable in this matching positional form, ex Ludington/Spink 10 Nov 1999, lot 1825, realised £ 1700 ++, VF-XF! Schätzpreis 4.000€. (Image)

Estimate € 4000