Regionals: Northern Ireland: Questa printings, a collection of cylinder blocks of six from the upper and lower right corners, complete for all cylinders for 111/2p., 14p., 151/2p., 18p., 191/2p., 22p., and 26p. (incl. both Q2Q2 blocks), and Questa 121/2p. right and left corner cylinder blocks of six, incl. perf. 15 x 14 Q2Q2, etc. (46)
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Regionals: Northern Ireland: Questa printings, a collection of unmounted mint corner cylinder blocks of six, values from 12p. to 39p., incl. 14p. Q3Q3 and Q4Q4, 16p. Q3 and Q4, etc. (92)
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Regionals: Northern Ireland: 1971-93 Questa Litho 121/2p. light emerald, FCP/PVAD, Q1 Q3 lower right corner cylinder block of six, fine unmounted mint. S.G. Spec. XNL4, unpriced. Photo.
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Regionals: Northern Ireland: 1971-93 Questa Litho 13p. with missing phosphor, fine unmounted mint marginal example. S.G. NI37y, cat. £375. Photo.
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Regionals: Northern Ireland: 17p. grey-blue phosphorised paper Type II (S.G. NI43a), in lower left corner cylinder Q2 Q2 cylinder block of six, fine unmounted mint, S.G. Spec. XNL19, cat. £800. Photo.
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Regionals: Northern Ireland: 1971-93 Questa Litho 18p. imperf. pair in graduated deep blue, fine, not listed in any of the main catalogues. Photo.
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Regionals: Northern Ireland: 1971-93 Questa Litho 18p. deep olive-grey, ACP/PVAD in Q3Q3 and Q4Q4 cylinder blocks of six with perf. margins at left, fine unmounted mint. S.G. Spec. XNL22, cat. £340. Photo.
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Regionals: Northern Ireland: 1971-93 Questa Litho 18p. deep olive-grey, cylinder Q2Q2 and Q4Q4 lower left corner blocks of six, fine unmounted mint. S.G. NI46. Photo.
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Regionals: Northern Ireland: 1971-93 Questa Litho 18p. bright green, a group of cylinder blocks of six, comprising Q1Q1, Q2Q2, Q3Q3 and Q4Q4, fine. Photo.
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Regionals: Northern Ireland: Walsall gravure printings, a collection of unmounted mint cylinder blocks and printing date blocks, values from 19p. to 65p., incl. scarce 19p. cylinder W2 phos W2 cylinder block of six, 10/5/99 printing date block of eight, 26p. 7/11/97 printing date block of eight, and many more, incl. bright and dull fluors, glossy printings, comb and APS perfs., etc. (36)
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Regionals: Northern Ireland: Questa elliptical perfs., a collection of unmounted mint corner cylinder blocks, values from 19p. to 63p., incl. 25p. red Q4Q4 (2), cream and white gums, A(r) and B(s) perf. types, etc. (27)
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Regionals: Northern Ireland: Questa elliptical perfs. 26p. with long wave afterglow phosphor bands, in cylinder Q1Q1 and Q2Q2 blocks of six, fine unmounted mint. S.G. Spec. XNL51a.
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Regionals: Northern Ireland: 1971-93 Questa Litho 31p. imperf. block of four in graduated bright purple, fine, not listed in any of the main catalogues. Photo.
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Regionals: Northern Ireland: Questa elliptical perfs. 37p. with blue fluor phosphor bands, cylinder block of six, Q2Q2 with A(r) perf. type, fine. Photo.
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