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GREAT BRITAIN - OFFICIAL OVERPRINTS ACCUMULATION of mint & used stamps (including pairs & blocks) including all manner of interesting & better stamps including such stamps as the (used unless mentioned otherwise) I. R. Official 1887-01 6d purple / rose-red SG O18 (£150), 1902-04 ½d used block 4, Army Officials 1896-01 1d lilacs (3 mint with control numbers), also Govt Parcels 1883 1½d with 'dot to left of 'T' (£175), 9d dull green SG O63 (£1200), 1s orange-brown SG O64 (£300), 1887-90 1s dull green SG O68 (£275),  1902 9d SG O77 (£175); Board of Trade 'Crown / B.T.' perfins, etc (70+ stamps)