10c Brown, Silk Fiber variety (161 var). Original gum, beautiful intense shade, beautifully centered, Very Fine, with 1999 P.F. (not mentioning the variety) and 2011 P.S.E. certificates (OGph, VF 80; unpriced in SMQ as the silk paper variety), this variety is identified by its tiny dark silk fibers throughout the paper, visible only under magnification, it is also found on most of the other Continental printings, including the 1875 Issue, but not among the National and American printings, Scott assigns a 50% premium over the normal stamp with original gum

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