unused Block of Four 50c. black on emerald, a top right corner block of four; a few split perfs otherwise fine mint. Rare. S.G. J54, £4800. Photo | Christie's

Lot 728

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unused Block of Four 50c. black on emerald, a top right corner block of four; a few split perfs otherwise fine mint. Rare. S.G. J54, £4800. Photo

Details

unused Block of Four 50c. black on emerald, a top right corner block of four; a few split perfs otherwise fine mint. Rare. S.G. J54, £4800. Photo