unused Block of Four  5c. brown variety imperforate between stamp and interpanneau margin, two examples in a block of four, some ageing, part original gum. Mizuhara Collection. Photo
unused Block of Four 5c. brown variety imperforate between stamp and interpanneau margin, two examples in a block of four, some ageing, part original gum. Mizuhara Collection. Photo

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unused Block of Four 5c. brown variety imperforate between stamp and interpanneau margin, two examples in a block of four, some ageing, part original gum. Mizuhara Collection. Photo