unused 1890-94 4a. yellow-brown pair, variety imperforate and showing papermaker's watermark, unused without gum (as is usual with this, the 8a. and 1r. pairs); horizontal crease at foot, barely affecting fine appearance. Rare. R.P.S Certificate (1990). S.G. 9a, #1100. Photo

細節
unused 1890-94 4a. yellow-brown pair, variety imperforate and showing papermaker's watermark, unused without gum (as is usual with this, the 8a. and 1r. pairs); horizontal crease at foot, barely affecting fine appearance. Rare. R.P.S Certificate (1990). S.G. 9a, #1100. Photo
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Note: Only seven imperforate pairs of this value have been recorded by John Minns