Description
1848 10D EMBOSSED (SG57) CORNER MARGINAL MINT BLOCK OF FOUR WITH 'SPECIMEN' OVERPRINT (SPEC H2s). An exceptional upper right corner marginal mint block of four 1848 10d embossed (SG57) with superb original gum, superb colour and margins, each overprinted 'SPECIMEN' type 1 (Spec H2s). A rare multiple of exhibition quality. (Ref 139595).
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