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![unused 5r. horizontal pair [9-10] with sheet margin at left, [9] showing small "O" in "POSTAGE", very fine unused. Rare. S.G. 61/61a, £720. Photo](https://www.christies.com/img/LotImages/2001/SKS/2001_SKS_01280_1037_000(031418).jpg?w=1)
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unused 5r. horizontal pair [9-10] with sheet margin at left, [9] showing small "O" in "POSTAGE", very fine unused. Rare. S.G. 61/61a, £720. Photo
